<s>
A	O
software	B-Architecture
blueprint	I-Architecture
is	O
the	O
final	O
product	O
of	O
a	O
software	O
blueprinting	O
process	O
.	O
</s>
<s>
Its	O
name	O
derives	O
from	O
an	O
analogy	O
with	O
the	O
term	O
blueprint	B-Application
as	O
used	O
within	O
the	O
traditional	O
construction	O
industry	O
.	O
</s>
<s>
Therefore	O
,	O
a	O
true	O
software	B-Architecture
blueprint	I-Architecture
should	O
share	O
a	O
number	O
of	O
key	O
properties	O
with	O
its	O
building-blueprint	O
counterpart	O
.	O
</s>
<s>
Once	O
that	O
is	O
achieved	O
,	O
it	O
facilitates	O
the	O
localization	O
of	O
related	O
logic	O
and	O
use	O
of	O
an	O
optimal	O
description	O
medium	O
for	O
each	O
of	O
the	O
logically	O
independent	O
components	O
(	O
for	O
each	O
blueprint	B-Application
)	O
.	O
</s>
<s>
Software	B-Architecture
blueprints	I-Architecture
focus	O
on	O
one	O
application	O
aspect	O
,	O
for	O
clarity	O
of	O
presentation	O
and	O
to	O
ensure	O
that	O
all	O
of	O
the	O
relevant	O
logic	O
is	O
localized	O
.	O
</s>
<s>
The	O
single-aspect	O
focus	O
of	O
a	O
software	B-Architecture
blueprint	I-Architecture
means	O
that	O
an	O
optimal	O
description	O
medium	O
can	O
be	O
selected	O
.	O
</s>
<s>
For	O
example	O
,	O
algorithmic	O
code	O
may	O
be	O
best	O
represented	O
using	O
textual	O
code	O
,	O
whereas	O
a	O
graphical	B-Application
user	I-Application
interface	I-Application
may	O
be	O
best	O
represented	O
using	O
a	O
form	O
design	O
.	O
</s>
<s>
The	O
GUI	B-Application
form	O
design	O
(	O
see	O
GUI	B-Library
toolkit	I-Library
)	O
is	O
widely	O
adopted	O
across	O
the	O
software	O
industry	O
and	O
allows	O
the	O
programmer	O
to	O
specify	O
a	O
prescriptive	O
description	O
of	O
the	O
appearance	O
of	O
GUI	B-Application
widgets	O
within	O
a	O
window	O
.	O
</s>
<s>
This	O
description	O
can	O
be	O
translated	O
directly	O
to	O
the	O
code	O
that	O
draws	O
the	O
GUI	B-Application
(	O
because	O
it	O
is	O
prescriptive	O
)	O
.	O
</s>
<s>
In	O
software	O
architecture	O
the	O
Unified	B-Language
Modeling	I-Language
Language	I-Language
(	O
UML	B-Language
)	O
is	O
an	O
industry	O
standard	O
used	O
for	O
modeling	O
the	O
blueprint	B-Application
of	O
software	O
.	O
</s>
<s>
UML	B-Language
represents	O
structure	O
,	O
associations	O
and	O
interactions	O
between	O
various	O
software	O
elements	O
,	O
like	O
classes	O
,	O
objects	O
or	O
components	O
.	O
</s>
