This
document
is
intended
to
provide
definitions
for
commonly
used
terms
in
the
context
of
STEP.
It
was
compiled
from
a
number
of
sources. A downloadable and printable version is also available:
Acronym List [A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z]
AAM
-
Application
Activity
Model
This
model
is
one
form
of
requirements
documentation
for
an
application
protocol.
A
formal
functional
description
of
the
processes
in
a
defined
application
context.
The
AAM
also
includes
the
definition
of
those
data
items
which
act
as
Inputs,
Controls,
Outputs
and
Mechanisms
(ICOMS)
on
those
processes.
The
purposes
of
this
representation
are
(1)
to
obtain
an
understanding
and
agreement
of
the
application
process,
and
(2)
for
data
discovery.
Acceptance
Testing
Formal
testing
conducted
to
determine
whether
a
software
system
satisfies
its
acceptance
criteria
and
to
enable
the
customer
to
determine
whether
to
accept
the
system.
(ANSI/IEEE
Std
729-1983)
Formal
testing
includes
the
planning
and
execution
of
several
kinds
of
tests
(e.g.
functional,
volume,
performance
tests)
to
demonstrate
the
implemented
software
satisfies
the
customer
requirements
for
the
software
system.
NOTE
-
This
does
not
form
part
of
conformance
testing.
ACIS
a
toolkit
for
solid
modelers;
ACIS
is
a
trademark
of
Spatial
Technology,
Boulder,
CO;
stores
wireframes,
surfaces,
and
solids
in
a
single
data
structure)
AEC
-
Architectural,
Engineering,
and
Construction
AECMA
-
European
Association
of
Aerospace
Industries
AFEI
-
Association
for
Enterprise
Integration
AIAG
-
Automotive
Industry
Action
Group
AIC
-
Application
Interpreted
Construct
a
component
of
an
application
protocol
that
is
interoperable
with
another
application
protocol.
AIM
-
Application
Interpreted
Model
A
model
that
describes
the
interpretation
of
the
STEP
integrated
resource
constructs
that
provide
functional
equivalence
to
the
Application
Protocol's
information
requirements
as
specified
in
the
Application
Reference
Model
(ARM).
Required
documentation
for
the
AIM
includes
the
description
of
the
usage
of
the
entities
of
that
information
model
and
a
summary
of
the
rationale
with
which
the
resultant
schema
was
derived
from
the
application
reference
model
(ARM).
As
well
as
an
EXPRESS
definition
of
a
STEP
schema
-
a
definition
of
the
information
content
of
a
STEP
file
or
database.
AIS
-
Application
Interface
Specification
Developed
by
CAM-I
AIT
-
Advanced
Information
Technology
for
Design
and
Manufacture
European
Aerospace
&
Automotive
Consortium
AM-
Application
Module
ANSI
-
American
National
Standards
Institute
A
voluntary
federation
of
standards-developing
and
standards-using
organisations
that
manages
and
co-ordinates
the
voluntary
development
of
national
standards
in
the
U.S.
and
establishes
standards
as
American
National
(consensus)
Standards.
Provides
the
basis
for
U.S.
participation
in
the
international
standards
activities.
AP
-
Application
Protocol
A
document
which
specifies
implemental
STEP
constructs
and
is
a
Part
in
the
200
series
of
the
standard.
A
STEP
definition
of
the
context,
scope
and
information
requirements
for
a
product
model
in
a
particular
application
domain
e.g.
AP203.
An
AP
comprises
of
an
AAM,
ARM,
AIM
and
ATS.
AP203
-
Application
Protocol
203
The
STEP
application
protocol:
"Part
203:
Configuration
controlled
3D
designs
of
mechanical
parts
and
assemblies''.
AP203
describes
how
the
structure,
the
geometrical
shape
and
the
versions
of
complex
mechanical
components
and
assemblies
are
to
be
represented.
It
was
developed
primarily
by
the
aerospace
industry
and
has
been
accredited
as
an
international
standard
ISO-10303-203.
APDE
-
Application
Protocol
Development
Environment
API
-
Application
Programming
Interface
An
interface
from
an
external
application
that
provides
access
to
the
functional
Interface
capabilities
and
database
of
the
PDM
system.
The
interface
is
usually
built
from
a
library
of
callable
routines
which
can
be
linked
into
other
applications
or
programs.
These
routines
are
used
to
call
PDM
functions
and
to
access
or
update
the
PDM
database.
Archiving
Archiving
is
the
intelligent
back-up
of
selected
objects
(datasets,
items
etc.)
that
no
longer
need
to
be
accessed
on
a
regular
basis
within
the
PDM
system.
These
files
are
removed
from
the
on-line
disk
storage
to
a
lower
cost
media
such
as
tape
or
optical
disk.
ARM
-
Application
Reference
Model
An
information
model
that
formally
describes
the
information
requirements
and
constraints
for
an
application
area
in
support
of
AP
development.
The
information
model
uses
application-specific
terminology
and
rules
familiar
to
an
expert
from
the
application
area.
The
model
is
independent
of
any
physical
implementation
and
must
be
validated
by
experts
from
the
application
area.
ASG-
Automotive
Steering
Group
ATS
-
Abstract
test
suite
A
complete
set
of
abstract
test
cases
(one
or
more
files,
encapsulating
the
test
purpose,
which
provide
the
basis
from
which
parameterized
executable
test
cases
are
derived),
possibly
combined
into
a
nested
test
group,
that
is
necessary
to
perform
conformance
testing
for
a
standard
or
group
of
standards.
AUSDEC
-
Australasian
STEP
Data
Exchange
Center
Backup
A
backup
is
either
the
process
of
storing
a
subset
of
files
on
a
secure
medium
or
a
reference
the
copied
data.
Backup's
are
used
for
the
recovery
of
the
system
or
lost
data.
Sometimes
the
term
is
used
for
an
Archive.
BOM
-
Bill
Of
Materials
A
Bill
of
Materials
is
an
ordered
list
of
the
parts,
sub-assemblies,
assemblies
and
raw
materials
that
defines
a
product.
Bills
of
Material
have
two
common
methods
of
display.
The
first
is
hierarchical,
where
the
root
is
usually
the
product
and
the
subordinate
assemblies
and
components
displayed
in
an
inverted
tree
showing
their
various
levels
and
relationships.
The
second
is
the
indented
listing,
this
represents
the
various
levels
in
the
bill
by
indentation.
In
the
STEP
standard
this
is
known
as
a
product
structure
traversal.
Within
a
PDM
system
the
BOM
is
normally
created
and
maintained
by
a
dedicated
product
structure
sub-system.
BSI
-
British
Standards
Institute
C++
An
Object
Oriented
language
based
on
C.
CAD
-
Computer
Aided
Design
Computer
Aided
Design
is
generic
term
applied
to
all
aspects
of
design
using
computer
software
tools.
It
most
usually
covers
geometry
creation,
manipulation
and
the
production
of
plotted
drawings.
MCAD
refers
to
mechanical
engineering
design,
ECAD
refers
to
electrical
engineering
design.
CAE
-
Computer
Aided
Engineering
CALS
-
Continuous
Acquisition
and
Life-cycle
Support
CALS,
MIL-STD-1840A,
is
a
US
DoD
initiative
that
defines
methodologies
and
procedures
for
life
cycle
management
of
DoD
sponsored
developments
and
procurements.
Key
features
of
CALS
are
its
definitions
of
standard
mechanisms
for
the
delivery
of
digital
data
and
for
enabling
concurrent
engineering.
The
CALS
initiative
has
endorsed
IGES
and
STEP
as
formats
for
the
digital
exchange
of
product
data.
CALS
includes
standards
for
electronic
data
interchange,
electronic
technical
documentation
and
guidelines
for
process
improvements.
CALS
was
formerly
known
as
Computer-aided
Acquisition
and
Logistics
Support.
CAM
-
Computer
Aided
Manufacture
Computer
Aided
Manufacture
is
a
generic
term
applied
to
the
application
of
CAD
system
geometry
to
automate
the
programming
of
numerically
controlled
(NC)
machine
tools.
CAM-I
Computer-Aided
Manufacturing
-
International
CAPP
Computer
Aided
Process
Planning
CATIA
A
Commercially
available
mechanical
CAD
system
supplied
by
Dassault
Systeme.
CAX
Refers
generically
to
the
family
of
software
tools
which
include
Computer-Aided
Design
(CAD),
Computer-Aided
Manufacturing
(CAM),
and
Computer-Aided
Engineering
(CAE).
CAx-IF-
Computer
Aided
"x"
(Design,
Manufacturing,
Engineering,
etc.
)
-
Implementor
Forum
CC
-
Conformance
Class
CD
-
Committee
Draft
CDM
-
CATIA
Data
Manager
manages
CATIA
models
CE
-
Concurrent
Engineering
Concurrent
Engineering
(CE)
is
a
management/operational
methodology
which
optimizes
product
design
and
manufacturing
by
developing
environments
in
which
personnel
from
all
disciplines
(design,
marketing,
manufacturing
engineering,
process
planning
and
support)
work
together
throughout
all
phases
of
the
product
development
life
cycle.
Concurrent
Engineering
is
often
referred
to
as
Collaborative
Engineering.
CFD
-
Computational
Fluid
Dynamics
CGI
-
Common
Gateway
Interface
allows
programs
to
be
invoked
on
a
remote
web
server.
CGM
-
Computer
Graphics
Metafiles
Used
used
to
exchange
vector
files.
Examples
of
these
are
plotted
drawings
and
diagrams.
This
format
can
be
used
for
both
exchange
and
storage.
The
format
is
similar
to
a
plot
file
with
some
enhancements
to
support
drawing
structure,
this
allows
easier
editing
in
the
receiving
system.
Change
Control
The
process
and
procedures
that
manage
how
changes
are
incorporated
into
a
product.
Change
Control
is
a
part
of
overall
configuration
management
and
uses
review
and
release
processes
to
enforce
compliance
with
enterprise
change
policies.
CIM
-
Computer
Integrated
Manufacturing
Computer
Integrated
Manufacture
involves
the
use
of
computers
to
manage
an
integrated
manufacturing
environment.
Corporate
Information
Management.
CITIS
-
Contractor
Integrated
Technical
Information
Services
A
service
in
which
contractors
maintain
databases
of
information
for
a
project
and
provides
electronic
access
to
that
database
to
government
agencies
and
suppliers
working
on
that
project.
This
is
part
of
Phase
II
CALS.
CM
-
Configuration
Management
Configuration
Management
is
the
process
of
defining
and
controlling
a
product
structure
and
its
related
documentation.
CM
includes
maintaining
revision
control
and
history
information
about
all
changes
to
a
document
or
product.
Conformance
testing
The
testing
of
a
candidate
product
for
the
existence
of
specific
characteristics
required
by
a
standard.
CORBA
-
Common
Object
Request
Broker
Architecture
an
architecture
specified
by
the
OMG
for
Object
Oriented
computing
distributed
across
a
network.
COTS
-
Commercial
Off-The-Shelf
CSG
-
Constructive
Solid
Geometry
DARPA
-
Defense
Advanced
Research
Projects
Agency
Data
Dictionary
A
Data
Dictionary
is
a
repository
for
descriptions
of
data
types
or
object
types.
Data
Dictionaries
are
used
to
store
definitions
of,
for
example,
item
types
and
their
attributes.
This
allows
users
to
see
what
item
types
have
been
defined
and
what
their
uses
are.
Active
data
dictionaries
are
used
by
software
to
validate
data
as
it
is
entered
and
to
provided
users
with
access
to
definitions
on-line.
Data
Model
The
definition
of
all
data
elements
and
their
relationships
to
be
maintained
within
a
PDM
system.
The
data
model
defines
the
schema
for
the
PDM
system.
The
data
model
for
an
enterprise
should
be
consistent
across
all
implementations
of
a
PDM
system,
this
will
ensure
future
integration
of
systems.
Data
Translation
Translation
of
PDM
held
data
from
one
format
to
another
via
direct
or
standards
based
translators
such
as
IGES.
DBMS
-
Data
Base
Management
System
DDE
-
Digital
Definition
Exchange
DFM
-
Design
For
Manufacture
Design
For
Manufacture
represents
a
new
awareness
of
the
importance
of
design
as
the
first
step
in
manufacturing.
It
recognizes
that
a
company
cannot
meet
quality
and
cost
objectives
with
isolated
design
and
manufacturing
operations.
Design
for
manufacture,
together
with
Design
for
Assembly
are
two
key
themes
and
objectives
of
a
Concurrent
Engineering
Environment.
DFA
-
Design
For
Assembly
Similar
in
concept
to
Design
For
Manufacture,
Design
For
Assembly
focuses
on
the
need
to
minimize
the
cost
of
assembly
within
the
constraints
imposed
by
other
design
requirements.
As
with
DFM,
Design
for
Assembly
methodologies
help
focus
the
designer
on
manufacturing
issues.
Drawings,
product
structures
etc.
produced
during
a
design,
using
DFA,
should
represent
the
method
of
manufacture
and
thus
eliminate
the
need
for
a
separate
manufacturing
or
production
bill.
DIS
Draft
International
Standard.
DoD
Department
of
Defense
DTD-
Document
Type
Definition
EA-
Engineering
Analysis
ECAD
-
Electronic
Computer
Aided
Design
EC
-
European
Community
EDI
-
Electronic
Data
Interchange
Standard
for
exchange
of
business
data.
An
ANSI
standard.
EDIF
-
Electronic
Design
Interchange
Format.
A
file
format
for
communicating
two-dimensional
graphics
and
interconnection
information
that
is
often
used
to
describe
the
patterns
that
are
used
to
fabricate
semiconductor
chips.
EDIFACT
-
Electronic
Data
Interchange
for
Administration,
Commerce
and
Transport
EIA
-
Electronic
Industries
Association
ENGEN
-
Enabling
Next
Generation
Mechanical
Design.
A
joint
PDES,
Inc./DARPA
sponsored
project.
ESPRIT
European
Strategic
Program
for
Research
in
Information
Technology
Enterprise
A
portion
of
a
company
which
is
related
by
a
common
interest
in
a
product
or
group
of
products.
An
enterprise
may
also
logically
include
a
network
of
subcontractors
involved
in
the
common
product.
PDM
systems
are
often
applied
across
an
enterprise.
EXPRESS
The
information
modeling
language
used
to
define
the
STEP
standard.
EXPRESS-G
-
A
graphical
version
of
EXPRESS
Extranet
An
enterprise
wide
implementation
of
the
Internet,
i.e.
the
network
of
computers
is
limited
to
a
particular
enterprise.
FDIS
Final
Draft
International
Standard
FEA
Finite
Element
Analysis
FIPS
Federal
Information
Processing
Standard
FTE-
Full
Time
Equivalent
FTP
File
Transfer
Protocol.
A
client-server
protocol
which
allows
a
user
on
one
computer
to
transfer
files
to
and
from
another
computer
over
a
TCP/IP
network.
GDT-
Geometric
Dimensional
and
Tolerancing
GOSET
Operational
Group
for
the
Standard
for
Exchange
and
Transfer.
The
center
for
SET
and
STEP
Standards
activities
in
France.
Its
purpose
is
to
solve
neutral
data
format
data
exchange
problems.
GUI-
Graphical
User
Interface
HTML
Hypertext
Markup
Language
HTTP
Hypertext
Transfer
Protocol.
Protocol
used
to
transfer
hypertext
documents
on
the
Internet.
IDEF
ICAM
(Integrated
Computer
Aided
Manufacturing)
Definition
IDEF0
ICAM
Definition
0,
a
"function
model"
IDEF1
ICAM
Definition
1,
an
"information
model"
IDL
Interface
Definition
Language
IEC
International
Electrotechnical
Commission
IEEE
Institute
of
Electrical
and
Electronic
Engineers
IF-
Implementor
Forum
IGES
Initial
Graphics
Exchange
Specification
-
Used
to
represent
the
two
and
three-dimensional
drawings
and
geometry
of
objects
(An
ANSI
standard).
INCOSE-
International
Council
on
Systems
Engineering
Internet
a
world
wide
interconnected
network
of
computers
communicating
using
a
standard
set
of
protocols
such
as
TCP/IP
and
HTTP
(Hypertext
Transfer
Protocol).
Intranet
a
corporate
wide
implementation
of
the
Internet
i.e.
the
network
of
computers
is
limited
to
a
particular
company
or
corporation.
Interoperability
Related
to
acceptance
testing,
but
specifically
applied
to
the
examination
of
the
information
exchange
between
two
specific
schema's
and
the
ability
of
each
to
use
such
information.
IPC
Institute
for
Interconnecting
and
Packaging
Electronic
Circuits
IPO
IGES/PDES
Organization
A
U.S.
activity
composed
of
volunteers
from
industry,
government
and
academia
who
are
dedicated
to
the
development
and
implementation
of
world-wide
standards
for
the
digital
representation
and
communication
of
product
data.
IR
-
Integrated
Resource
IS
-
International
Standard
ISAP
-
International
STEP
Automotive
Project.
ISC-
International
Industry
STEP
Centers
ISO-
International
Organization
for
Standardization
JAMA
Japanese
Automotive
Manufactures
Association
Java
An
Object
Oriented
language
developed
by
Sun
Microsystems.
Designed
as
a
highly
portable
language
intended
to
be
used
to
develop
Internet
applications.
See
http://java.sun.com
for
details.
JSTEP
Japan
STEP
Promotion
Centre
LAN
Local
Area
Network.
Life
Cycle
The
description
of
the
distinct
phases
through
which
each
product
passes
during
its
product
life.
This
includes
phases
such
as
requirements
definition,
concept
design,
product
etc.
MIME
Multi-purpose
Internet
Mail
Extension
MOU
Memorandum
of
Understanding
MRP
-
Manufacturing
Resource
Planning
NC
Numerical
Control.
Usually
used
to
refer
to
a
machine
such
as
a
milling
machine.
NIDDESC
Navy/Industry
Digital
Data
Exchange
Standards
Committee
NIIIP
National
Industrial
Information
Infrastructure
Protocols
National
Industrial
Information
Infrastructure
Protocols.
A
US
consortium
investigating
the
technologies
required
to
enable
a
"Virtual
Enterprise".
See
http://www.niiip.org/
for
details.
NIST
National
Institute
of
Standards
and
Technology
Object
The
term
Object
is
used
to
mean
a
collection
of
attributes
that
represent
either
a
physical
or
logical
artifact.
For
example
an
Object
can
represent
all
the
information
required
for
an
item
or
a
drawing,
it
can
also
be
the
data
used
by
the
PDM
to
store
a
dataset.
The
key
feature
of
an
Object
is
that
it
represents
data
that
can
be
manipulated
as
a
group,
so
copying
an
item
Object
copies
all
the
attributes
associated
with
the
object
in
one
action.
Objects
are
specialized
into
Classes.
An
object
representing
a
particular
type
of
bolt,
for
example,
could
be
in
the
Class
of
Objects
called
bolts.
In
PDM
systems
there
are
often
several
classes
such
as
item,
dataset,
folder
etc.
Objects
have
'methods'.
Methods
are
ways
in
which
the
object
can
be
accessed,
modified,
displayed,
etc.
The
object
stores
the
action
associated
with
a
method
of
access,
for
example
'print',
so
that
when
a
message
is
sent
to
the
object
asking
it
to
print
it
will
carry
out
its
print
method.
Asked
to
'print',
a
text
dataset
will
print
the
text
to
a
printer,
a
dataset
representing
a
CAD
drawing
to
plot
the
file
to
a
plotter.
Methods
allow
programs
to
handle
objects
of
any
type,
without
the
need
to
write
specialized
code
to
deal
with
each
type
of
object.
Another
feature
of
Objects
is
inheritance.
One
class
can
be
based
upon
another,
the
new
class
is
called
a
subclass.
The
new
class
will
inherit
all
the
attributes
of
the
other
class.
So
you
could
have
a
class
call
bolt
with
attributes,
length,
thread
type
and
pitch.
You
can
then
create
a
subclass
called
plastic.
The
new
class
would
inherit
the
attributes
length,
thread
type
and
pitch
from
the
bolt
class
and
have
new
attribute
'type
of
plastic'.
OEM-
Original
Equipment
Manufacturer
OAG-
Open
Applications
Group
OMG
-
Object
Management
Group
An
international
consortium
founded
in
April
1990
to
promote
non-proprietary
standards
for
open
computing,
in
particular
standards
for
distributed
Object
Oriented
systems.
They
are
responsible
for
the
CORBA
standard.
(See:
http://www.omg.org/)
OODB
Object
Oriented
Data
Base
Management
System
(OODBMS)
is
a
DBMS
in
which
data
objects
are
encapsulated
by
classes
that
have
predefined
characteristics.
Objects
added
to
the
database
automatically
acquire
(inherit)
the
characteristics
of
their
class.
Data
within
a
class
of
objects
is
only
accessible
by
predefined
methods
of
access,
known
as
"methods",
which
have
been
defined
for
that
class.
ORB
Object
Request
Broker
The
CORBA
mechanism
for
passing
messages
between
objects
distributed
over
a
set
of
applications
which
may
in
turn
be
distributed
over
a
network
of
computers.
OSEB-
Object
Serialization
Early
Binding
Part
21
file
An
ASCII
file
of
STEP
compliant
data.
PAS-C
PDES
Application
Protocol
Suite
for
Composites
PCA
Printed
Circuit
Assembly
PCB
Printed
Circuit
Board
PDD
Product
Definition
Data
PDE
Product
Data
Exchange
PDES
Product
Data
Exchange
using
STEP
(see
STEP).
PDES,
Inc.
A
consortium
of
major
corporations
with
the
mission
to
accelerate
the
development
and
implementation
of
STEP.
PDM
Product
Data
Management
A
database
system
used
to
manage
all
documents,
CAD
drawings
and
other
data
relevant
to
a
product.
PDM-IF-
Product
Data
Management-Implementor
Forum
PORT
Partnership
Order
Retrieval
Tool
Product
Model
The
Product
Model
is
the
entire
product
information
database
which
describes
the
product
completely
and
unambiguously.
It
contains
two
general
types
of
information:
physical
product
design
information
represented
by
the
design
model
and
process
information,
represented
by
the
process
and
data
model.
PPC
Policy
and
Planning
Committee
(of
SC4)
Product
Structure
Product
Structure
refers
to
the
way
that
parts,
components,
sub-assemblies
and
assemblies
fit
together
to
form
a
product.
ProSTEP
The
center
for
STEP
in
Germany.
RAMP
Rapid
Acquisition
of
Manufactured
Parts
-
A
U.S.
Government
project
formed
to
accelerate
the
automation
and
integration
of
generating
weapon
system
technical
information
in
digital
form.
RPG-
Recommended
Practices
Guide
SASIG
STEP
Automotive
Special
Interest
Group
SC4
Subcommittee
4
(of
ISO
TC184)
SDAI
Standard
Data
Access
Interface
STEP
application
programmer
interface
(API)
to
applications
such
as
databases
and
CAD
systems.
SEDS
SC4
Enhancement
and
Discrepancy
System
SGML
Standard
Generalized
Markup
Language.
An
international
standard
for
the
markup
of
text,
ISO
8879.
SGML
is
a
language
for
describing
the
structure
of
documents
(or
information)
and
for
describing
a
tagging
scheme
to
delineate
that
structure
within
text.
SOLIS
SC4
On-Line
Information
Service
SQL
Structured
(or
Standard)
Query
Language
STEP
Standard
for
the
Exchange
of
Product
model
data
The
ISO
standard
for
product
modeling:
ISO-10303
``Industrial
Automation
Systems
and
integration
--
Product
data
representation
and
exchange'',
or
as
it
is
more
commonly
known:
``STEP
--
STandard
for
the
Exchange
of
Product
model
data''
The
goal
is
a
complete,
unambiguous,
computer-readable
definition
of
the
physical
and
functional
characteristics
of
a
product
throughout
its
life-cycle.
STEP
ml-
STEP
Markup
Language
STIR
STEP
TDP
Interoperability
Readiness
Project.
STEPwise
STEP
Web
Integrated
Supplier
Exchange
pilot
TAC
Technical
Advisory
Committee
TC184
Technical
Committee
184
(of
ISO)
TCP/IP
communication
protocol
used
on
the
Internet.
TDP
Technical
Data
Package
TS-
Technical
Specifications
UG-
Usage
Guide
UoF
-
Unit
of
Functionality
UML-
Unified
Modeling
Language
US
Pro
-
U.
S.
Product
Data
Association
US
TAG
-
U.S.
Technical
Advisory
Group
VHDL
-
Very
High
Speed
Integrated
Circuit
(VHSIC)
Hardware
Description
Language
A
computer
language
(IEEE
Standard
1076-1987,
ANSI
Standard
1076-1988,
used
internationally)
that
provides
designers
with
the
ability
to
model
computer
simulated
descriptions
of
digital
electronics,
to
communicate
the
logical
and
physical
interconnection
between
the
models
created,
and
to
exchange
the
resulting
digital
electronic
product
data
among
the
several
producers
of
systems
using
the
digital
products
described.
WAN
-
wide
area
network.
WG
-
Working
Group
XLink-
XML
Linking
Language
XSL-
Extensible
Stylesheet
Language
XSLT-
Extensible
Stylesheet
Language
Transformation
XML-
Extensible
Markup
Language
last
updated:
06/02/03
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