<s>
A	O
package	O
in	O
the	O
Unified	B-Language
Modeling	I-Language
Language	I-Language
is	O
used	O
"	O
to	O
group	O
elements	O
,	O
and	O
to	O
provide	O
a	O
namespace	O
for	O
the	O
grouped	O
elements	O
"	O
.	O
</s>
<s>
Pretty	O
much	O
all	O
UML	B-Language
elements	O
can	O
be	O
grouped	O
into	O
packages	O
.	O
</s>
<s>
Thus	O
,	O
classes	O
,	O
objects	O
,	O
use	B-Architecture
cases	I-Architecture
,	O
components	B-Language
,	O
nodes	B-Language
,	O
node	O
instances	O
etc	O
.	O
</s>
<s>
can	O
all	O
be	O
organized	O
as	O
packages	O
,	O
thus	O
enabling	O
a	O
manageable	O
organization	O
of	O
the	O
myriad	O
elements	O
that	O
a	O
real-world	O
UML	B-Language
model	O
entails	O
.	O
</s>
<s>
When	O
organizing	O
functional	O
models	O
(	O
use	B-Architecture
case	I-Architecture
models	O
,	O
workflow	O
models	O
etc	O
.	O
</s>
<s>
When	O
organizing	O
component	O
models	O
,	O
use	O
packages	O
to	O
group	O
the	O
components	B-Language
according	O
to	O
ownership	O
and/or	O
reuse	O
possibilities	O
.	O
</s>
