<s>
Glossary	B-Language
of	I-Language
Unified	I-Language
Modeling	I-Language
Language	I-Language
(	O
UML	B-Language
)	O
terms	O
provides	O
a	O
compilation	O
of	O
terminology	O
used	O
in	O
all	O
versions	O
of	O
UML	B-Language
,	O
along	O
with	O
their	O
definitions	O
.	O
</s>
<s>
Abstract	O
-	O
An	O
indicator	O
applied	O
to	O
a	O
classifier	B-Language
(	O
e.g.	O
,	O
actor	B-Language
,	O
class	O
,	O
use	B-Architecture
case	I-Architecture
)	O
or	O
to	O
some	O
features	O
of	O
a	O
classifier	B-Language
(	O
e.g.	O
,	O
a	O
class	O
's	O
operations	O
)	O
showing	O
that	O
the	O
feature	O
is	O
incomplete	O
and	O
is	O
intended	O
not	O
to	O
be	O
instantiated	O
,	O
but	O
to	O
be	O
specialized	O
by	O
other	O
definitions	O
.	O
</s>
<s>
Abstract	B-Application
class	I-Application
-	O
A	O
class	O
that	O
does	O
not	O
provide	O
a	O
complete	O
declaration	O
,	O
perhaps	O
because	O
it	O
has	O
no	O
implementation	O
method	O
identified	O
for	O
an	O
operation	O
.	O
</s>
<s>
An	O
abstract	B-Application
class	I-Application
cannot	O
directly	O
instantiate	O
objects	O
;	O
it	O
must	O
be	O
inherited	O
from	O
before	O
it	O
can	O
be	O
used	O
.	O
</s>
<s>
Generally	O
,	O
a	O
class	O
containing	O
an	O
abstract	O
operation	O
should	O
be	O
marked	O
as	O
an	O
abstract	B-Application
class	I-Application
.	O
</s>
<s>
Abstraction	B-Application
is	O
the	O
process	O
of	O
picking	O
out	O
common	O
features	O
and	O
deriving	O
essential	O
characteristics	O
from	O
objects	O
and	O
procedure	O
entities	B-Architecture
that	O
distinguish	O
it	O
from	O
other	O
kinds	O
of	O
entities	B-Architecture
.	O
</s>
<s>
When	O
a	O
thread	B-Operating_System
reaches	O
an	O
Activity	O
Final	O
node	O
,	O
all	O
the	O
threads	B-Operating_System
of	O
the	O
activity	O
terminate	O
.	O
</s>
<s>
(	O
Contrast	O
with	O
Flow	O
Final	O
node	O
,	O
which	O
marks	O
the	O
end	O
of	O
one	O
thread	B-Operating_System
.	O
)	O
</s>
<s>
Actor	B-Language
-	O
a	O
role	O
that	O
a	O
user	O
takes	O
when	O
invoking	O
a	O
use	B-Architecture
case	I-Architecture
.	O
</s>
<s>
Also	O
see	O
actor	B-Language
modeling	O
.	O
</s>
<s>
Aggregation	O
-	O
1	O
.	O
a	O
special	O
type	O
of	O
association	B-Application
used	O
to	O
represent	O
a	O
stronger	O
relationship	O
between	O
two	O
classes	O
than	O
a	O
regular	O
association	B-Application
;	O
typically	O
read	O
as	O
"	O
owns	O
a	O
"	O
,	O
as	O
in	O
,	O
"	O
Class	O
A	O
owns	O
a	O
Class	O
B	O
"	O
.	O
</s>
<s>
A	O
hierarchy	O
of	O
classes	O
where	O
the	O
child	O
object	O
may	O
or	O
may	O
not	O
continue	O
to	O
exist	O
if	O
the	O
parent	O
object	O
is	O
destroyed	O
;	O
see	O
'	O
composition	B-Language
 '	O
.	O
</s>
<s>
Association	B-Application
-	O
1	O
.	O
a	O
relationship	O
with	O
2	O
or	O
more	O
ends	O
,	O
where	O
each	O
end	O
is	O
on	O
a	O
class	O
(	O
or	O
other	O
classifier	B-Language
)	O
.	O
</s>
<s>
An	O
association	B-Application
is	O
a	O
structural	O
relationship	O
that	O
specifies	O
that	O
the	O
objects	O
of	O
one	O
thing	O
are	O
connected	O
with	O
the	O
objects	O
of	O
another	O
.	O
</s>
<s>
Association	B-Application
class	O
-	O
a	O
class	O
that	O
describes	O
an	O
association	B-Application
.	O
</s>
<s>
Attribute	B-General_Concept
-	O
a	O
significant	O
piece	O
of	O
data	O
owned	O
by	O
a	O
Class	O
,	O
often	O
containing	O
values	O
describing	O
each	O
instance	O
of	O
the	O
class	O
.	O
</s>
<s>
Besides	O
the	O
attribute	B-General_Concept
name	O
and	O
a	O
slot	O
for	O
the	O
attribute	B-General_Concept
value	O
,	O
an	O
attribute	B-General_Concept
may	O
have	O
specified	O
Visibility	O
,	O
Type	O
,	O
Multiplicity	O
,	O
Default	O
value	O
,	O
and	O
Property-string	O
.	O
</s>
<s>
BPMN	O
-	O
Business	O
Process	O
Modelling	O
Notations	O
,	O
are	O
used	O
to	O
define	O
the	O
process	O
on	O
paper	O
with	O
the	O
help	O
of	O
predefined	O
shapes	O
of	O
UML	B-Language
.	O
</s>
<s>
Class	O
diagram	O
-	O
a	O
type	O
of	O
static	O
structure	B-Language
diagram	I-Language
that	O
describes	O
the	O
structure	O
of	O
a	O
system	O
by	O
showing	O
the	O
system	O
's	O
classes	O
,	O
their	O
attributes	O
and	O
the	O
relationships	O
between	O
the	O
classes	O
.	O
</s>
<s>
Classifier	B-Language
-	O
a	O
category	O
of	O
UML	B-Language
elements	O
that	O
have	O
some	O
common	O
features	O
,	O
such	O
as	O
attributes	O
or	O
methods	O
.	O
</s>
<s>
Collaboration	O
-	O
A	O
collaboration	O
is	O
a	O
society	O
of	O
classes	O
,	O
interfaces	B-Application
and	O
other	O
elements	O
that	O
work	O
together	O
to	O
provide	O
some	O
cooperative	O
behavior	O
that	O
is	O
bigger	O
than	O
the	O
sum	O
of	O
its	O
parts	O
.	O
</s>
<s>
with	O
a	O
well-defined	O
interface	B-Application
.	O
</s>
<s>
The	O
interface	B-Application
of	O
a	O
component	O
is	O
represented	O
by	O
one	O
or	O
several	O
interface	B-Application
elements	O
that	O
the	O
component	O
provides	O
.	O
</s>
<s>
Components	O
are	O
used	O
to	O
show	O
compiler	O
and	O
run-time	O
dependencies	B-Application
,	O
as	O
well	O
as	O
interface	B-Application
and	O
calling	O
dependencies	B-Application
among	O
software	O
modules	O
.	O
</s>
<s>
Composition	B-Language
-	O
a	O
specific	O
type	O
of	O
relationship	O
describing	O
how	O
one	O
Object	O
is	O
composed	O
of	O
another	O
Object	O
;	O
a	O
form	O
of	O
Aggregation	O
where	O
the	O
child	O
object	O
is	O
destroyed	O
if	O
the	O
parent	O
object	O
is	O
destroyed	O
.	O
</s>
<s>
Dependency	B-Application
-	O
a	O
dependency	B-Application
exists	O
between	O
two	O
defined	O
elements	O
if	O
a	O
change	O
to	O
the	O
definition	O
of	O
one	O
would	O
result	O
in	O
a	O
change	O
to	O
the	O
other	O
.	O
</s>
<s>
In	O
UML	B-Language
this	O
is	O
indicated	O
by	O
a	O
line	O
pointing	O
from	O
the	O
dependent	O
to	O
the	O
independent	O
element	O
.	O
</s>
<s>
It	O
is	O
the	O
basis	O
of	O
object	B-Language
oriented	I-Language
programming	I-Language
.	O
</s>
<s>
Generalization	B-Algorithm
-	O
a	O
relationship	O
between	O
a	O
specific	O
classifier	B-Language
(	O
typically	O
a	O
class	O
)	O
to	O
a	O
more	O
general	O
classifier	B-Language
asserting	O
that	O
the	O
general	O
classifer	O
contains	O
common	O
features	O
among	O
both	O
the	O
specific	O
classifier	B-Language
and	O
the	O
general	O
classifier	B-Language
.	O
</s>
<s>
The	O
use	O
of	O
generalization	B-Algorithm
is	O
often	O
logically	O
restricted	O
to	O
cases	O
where	O
the	O
specific	O
classifier	B-Language
is	O
a	O
"	O
kind-of	O
"	O
or	O
"	O
sort-of	O
"	O
the	O
general	O
classifier	B-Language
:	O
for	O
example	O
,	O
a	O
Boxer	O
is	O
a	O
"	O
kind-of	O
"	O
Dog	O
.	O
</s>
<s>
When	O
the	O
classifiers	B-Language
involved	O
are	O
software	B-General_Concept
engineering	I-General_Concept
classes	O
,	O
generalization	B-Algorithm
usually	O
involves	O
reusing	O
code	O
;	O
it	O
is	O
often	O
implemented	O
using	O
inheritance	B-Language
,	O
where	O
the	O
more	O
specific	O
code	O
reuses	O
the	O
more	O
general	O
code	O
.	O
</s>
<s>
Generalization	B-Algorithm
Tree	O
-	O
Several	O
specialized	O
classifiers	B-Language
may	O
point	O
to	O
the	O
same	O
general	O
classifier	B-Language
,	O
forming	O
a	O
generalization	B-Algorithm
tree	O
,	O
where	O
the	O
general	O
classifer	O
contains	O
common	O
features	O
shared	O
by	O
all	O
the	O
specialized	O
versions	O
.	O
</s>
<s>
As	O
generalization	B-Algorithm
is	O
a	O
relationship	O
,	O
it	O
is	O
possible	O
for	O
a	O
classifer	O
to	O
participate	O
in	O
several	O
generalizations	B-Algorithm
,	O
often	O
being	O
on	O
the	O
specific	O
end	O
or	O
on	O
the	O
general	O
end	O
,	O
forming	O
a	O
directed	O
acyclic	O
graph	O
(	O
DAG	O
)	O
(	O
i.e.	O
,	O
no	O
loops	O
)	O
.	O
</s>
<s>
Instance	O
-	O
An	O
instance	O
is	O
a	O
concrete	O
manifestation	O
of	O
an	O
abstraction	B-Application
to	O
which	O
a	O
set	O
of	O
operations	O
can	O
be	O
applied	O
and	O
which	O
has	O
a	O
state	B-Application
that	O
stores	O
the	O
effect	O
of	O
the	O
operation	O
.	O
</s>
<s>
Interface	B-Application
-	O
a	O
defined	O
communication	O
boundary	O
.	O
</s>
<s>
While	O
an	O
Object	O
is	O
an	O
instantiation	O
of	O
a	O
Class	O
a	O
Link	O
can	O
be	O
seen	O
as	O
an	O
instantiation	O
of	O
an	O
Association	B-Application
.	O
</s>
<s>
In	O
UML	B-Language
1.x	O
,	O
it	O
was	O
also	O
possible	O
to	O
have	O
a	O
discrete	O
list	O
of	O
values	O
,	O
but	O
this	O
was	O
eliminated	O
in	O
UML	B-Language
2.0	O
.	O
</s>
<s>
It	O
specifies	O
how	O
many	O
objects	O
may	O
be	O
connected	O
across	O
an	O
instance	O
of	O
an	O
association	B-Application
which	O
is	O
written	O
as	O
a	O
range	O
of	O
values	O
(	O
like	O
1	O
..	O
)	O
.	O
</s>
<s>
Navigable	O
-	O
the	O
ability	O
for	O
objects	O
of	O
a	O
Class	O
at	O
one	O
end	O
of	O
an	O
Association	B-Application
to	O
retrieve	O
Objects	O
from	O
the	O
other	O
end	O
.	O
</s>
<s>
Note	O
-	O
It	O
is	O
an	O
explanatory	O
part	O
of	O
UML	B-Language
models	O
.	O
</s>
<s>
Profile	B-Language
-	O
Provides	O
a	O
generic	O
extension	O
mechanism	O
for	O
building	O
UML	B-Language
models	O
.	O
</s>
<s>
Other	O
extension	O
mechanisms	O
include	O
stereotypes	B-Language
.	O
</s>
<s>
Qualified	O
association	B-Application
-	O
tightens	O
the	O
multiplicity	O
or	O
role	O
of	O
an	O
association	B-Application
between	O
2	O
classes	O
by	O
dividing	O
the	O
set	O
of	O
objects	O
into	O
subsets	O
based	O
on	O
a	O
value	O
of	O
the	O
qualifier	O
—	O
an	O
attribute	B-General_Concept
of	O
the	O
target	O
objects	O
,	O
association	B-Application
objects	O
,	O
or	O
some	O
a	O
derived	O
attribute	B-General_Concept
of	O
the	O
target	O
or	O
association	B-Application
objects	O
.	O
</s>
<s>
Realization	O
-	O
Realization	O
shows	O
the	O
relationship	O
between	O
an	O
Interface	B-Application
and	O
the	O
class	O
that	O
provides	O
the	O
implementation	O
for	O
the	O
interface	B-Application
.	O
</s>
<s>
State	B-Application
-	O
an	O
Object	O
exists	O
at	O
one	O
of	O
the	O
States	O
described	O
in	O
a	O
State	B-Application
machine	I-Application
diagram	I-Application
.	O
</s>
<s>
A	O
state	B-Application
encompasses	O
all	O
the	O
properties	O
of	O
the	O
object	O
along	O
with	O
the	O
values	O
of	O
each	O
of	O
these	O
properties	O
.	O
</s>
<s>
Stereotype	B-Language
-	O
a	O
notation	O
allowing	O
the	O
extension	O
of	O
UML	B-Language
symbols	O
.	O
</s>
<s>
Examples	O
of	O
predefined	O
UML	B-Language
stereotypes	B-Language
are	O
Actor	B-Language
,	O
Exception	B-General_Concept
,	O
Powertype	B-Language
and	O
Utility	O
.	O
</s>
<s>
Transition	O
-	O
1	O
.	O
movement	O
from	O
one	O
State	B-Application
to	O
another	O
in	O
a	O
State	B-Application
machine	I-Application
diagram	I-Application
.	O
</s>
<s>
The	O
transition	O
is	O
specified	O
by	O
its	O
Trigger-signature	O
[Guard]/Activity	O
2	O
.	O
a	O
relationship	O
between	O
two	O
states	O
indicating	O
that	O
when	O
a	O
specific	O
event	O
occurs	O
and	O
specific	O
conditions	O
are	O
satisfied	O
an	O
object	O
in	O
the	O
first	O
state	B-Application
will	O
perform	O
certain	O
actions	O
and	O
enter	O
the	O
second	O
state	B-Application
.	O
</s>
<s>
XMI	B-Language
-	O
An	O
OMG	O
standard	O
for	O
exchanging	O
metadata	O
information	O
via	O
Extensible	O
Markup	O
Language	O
(	O
XML	O
)	O
.	O
</s>
<s>
xUML	B-Language
-	O
an	O
UML	B-Language
profile	I-Language
or	O
generic	O
extension	O
mechanism	O
for	O
customizing	O
Unified	B-Language
Modeling	I-Language
Language	I-Language
(	O
UML	B-Language
)	O
.	O
</s>
