<s>
A	O
demand	B-Application
signal	I-Application
is	O
a	O
message	O
issued	O
within	O
business	O
operations	O
or	O
within	O
a	O
supply	O
chain	O
to	O
notify	O
a	O
supplier	O
that	O
goods	O
are	O
required	O
,	O
and	O
is	O
,	O
therefore	O
,	O
a	O
key	O
item	O
of	O
information	O
for	O
demand	O
planners	O
within	O
a	O
business	O
.	O
</s>
<s>
In	O
a	O
Just-in-time	O
manufacturing	O
or	O
operations	O
context	O
,	O
a	O
demand	B-Application
signal	I-Application
identifies	O
a	O
need	O
for	O
new	O
materials	O
and	O
triggers	O
a	O
delivery	O
from	O
an	O
internal	O
store	O
or	O
an	O
external	O
supplier	O
.	O
</s>
<s>
In	O
the	O
context	O
of	O
an	O
Enterprise	O
Resource	O
Planning	O
(	O
ERP	O
)	O
system	O
,	O
demand	B-Application
signals	I-Application
function	O
as	O
granular	O
data	O
indicating	O
discrete	O
requests	O
for	O
the	O
supply	O
or	O
use	O
of	O
a	O
resource	O
.	O
</s>
<s>
Demand	B-Application
Signal	I-Application
Management	O
(	O
DSiM	O
)	O
provides	O
a	O
means	O
of	O
harmonizing	O
demand	O
data	O
so	O
that	O
it	O
can	O
be	O
used	O
in	O
demand	O
planning	O
.	O
</s>
<s>
Demand	B-Application
signals	I-Application
must	O
bring	O
together	O
data	O
on	O
actual	O
sales	O
and	O
date	O
on	O
unfulfilled	O
demand	O
in	O
order	O
to	O
be	O
effective	O
.	O
</s>
