<s>
A	O
structure	B-Application
chart	I-Application
(	O
SC	O
)	O
in	O
software	B-General_Concept
engineering	I-General_Concept
and	O
organizational	O
theory	O
is	O
a	O
chart	O
which	O
shows	O
the	O
breakdown	O
of	O
a	O
system	O
to	O
its	O
lowest	O
manageable	O
levels	O
.	O
</s>
<s>
They	O
are	O
used	O
in	O
structured	B-Language
programming	I-Language
to	O
arrange	O
program	O
modules	O
into	O
a	O
tree	O
.	O
</s>
<s>
A	O
structure	B-Application
chart	I-Application
is	O
a	O
top-down	O
modular	O
design	O
tool	O
,	O
constructed	O
of	O
squares	O
representing	O
the	O
different	O
modules	O
in	O
the	O
system	O
,	O
and	O
lines	O
that	O
connect	O
them	O
.	O
</s>
<s>
The	O
lines	O
represent	O
the	O
connection	O
and	O
or	O
ownership	O
between	O
activities	O
and	O
subactivities	O
as	O
they	O
are	O
used	O
in	O
organization	B-Application
charts	I-Application
.	O
</s>
<s>
In	O
structured	O
analysis	O
structure	B-Application
charts	I-Application
,	O
according	O
to	O
Wolber	O
(	O
2009	O
)	O
,	O
"	O
are	O
used	O
to	O
specify	O
the	O
high-level	O
design	O
,	O
or	O
architecture	O
,	O
of	O
a	O
computer	B-Application
program	I-Application
.	O
</s>
<s>
The	O
process	O
is	O
called	O
top-down	O
design	O
,	O
or	O
functional	B-Algorithm
decomposition	I-Algorithm
.	O
</s>
<s>
Programmers	O
use	O
a	O
structure	B-Application
chart	I-Application
to	O
build	O
a	O
program	O
in	O
a	O
manner	O
similar	O
to	O
how	O
an	O
architect	O
uses	O
a	O
blueprint	O
to	O
build	O
a	O
house	O
.	O
</s>
<s>
A	O
structure	B-Application
chart	I-Application
is	O
also	O
used	O
to	O
diagram	O
associated	O
elements	O
that	O
comprise	O
a	O
run	O
stream	O
or	O
thread	O
.	O
</s>
<s>
The	O
representation	O
must	O
describe	O
the	O
breakdown	O
of	O
the	O
configuration	B-General_Concept
system	I-General_Concept
into	O
subsystems	O
and	O
the	O
lowest	O
manageable	O
level	O
.	O
</s>
<s>
An	O
accurate	O
and	O
complete	O
structure	B-Application
chart	I-Application
is	O
the	O
key	O
to	O
the	O
determination	O
of	O
the	O
configuration	O
items	O
(	O
CI	O
)	O
,	O
and	O
a	O
visual	O
representation	O
of	O
the	O
configuration	B-General_Concept
system	I-General_Concept
and	O
the	O
internal	O
interfaces	O
among	O
its	O
CIs(define CI clearly )	O
.	O
</s>
<s>
During	O
the	O
configuration	O
control	O
process	O
,	O
the	O
structure	B-Application
chart	I-Application
is	O
used	O
to	O
identify	O
CIs	O
and	O
their	O
associated	O
artifacts	O
that	O
a	O
proposed	O
change	O
may	O
impact	O
.	O
</s>
<s>
According	O
to	O
Wolber	O
(	O
2009	O
)	O
,	O
"	O
a	O
structure	B-Application
chart	I-Application
can	O
be	O
developed	O
starting	O
with	O
the	O
creating	O
of	O
a	O
structure	O
,	O
which	O
places	O
the	O
root	O
of	O
an	O
upside-down	O
tree	O
which	O
forms	O
the	O
structure	B-Application
chart	I-Application
.	O
</s>
<s>
In	O
practice	O
,	O
see	O
figure	O
,	O
first	O
it	O
is	O
checked	O
if	O
a	O
structure	B-Application
chart	I-Application
has	O
been	O
developed	O
already	O
.	O
</s>
