<s>
An	O
operating	B-General_Concept
context	I-General_Concept
(	O
OC	O
)	O
for	O
an	O
application	O
is	O
the	O
external	O
environment	O
that	O
influences	O
its	O
operation	O
.	O
</s>
<s>
This	O
concept	O
differs	O
from	O
the	O
operating	B-General_Concept
system	I-General_Concept
(	O
OS	O
)	O
by	O
the	O
impact	O
of	O
these	O
various	O
other	O
stakeholders	O
.	O
</s>
<s>
Here	O
is	O
an	O
example	O
of	O
one	O
device	O
,	O
with	O
one	O
operating	B-General_Concept
system	I-General_Concept
,	O
changing	O
its	O
operating	B-General_Concept
context	I-General_Concept
without	O
changing	O
the	O
OS	O
.	O
</s>
<s>
Any	O
applications	O
running	O
on	O
the	O
phone	O
will	O
run	O
in	O
a	O
new	O
operating	B-General_Concept
context	I-General_Concept
,	O
and	O
will	O
often	O
have	O
to	O
change	O
functionality	O
to	O
adapt	O
to	O
the	O
abilities	O
,	O
and	O
business	O
logic	O
,	O
of	O
the	O
new	O
carrier	O
.	O
</s>
<s>
These	O
changes	O
must	O
be	O
reflected	O
back	O
to	O
the	O
user	O
,	O
so	O
the	O
user	O
knows	O
what	O
experience	O
to	O
expect	O
,	O
and	O
thus	O
these	O
changes	O
all	O
change	O
the	O
user	B-Application
interface	I-Application
(	O
UI	O
)	O
also	O
.	O
</s>
<s>
Examples	O
include	O
Flash	O
and	O
Android	B-Application
.	O
</s>
<s>
This	O
is	O
common	O
with	O
software	O
written	O
for	O
,	O
that	O
interacts	O
more	O
directly	O
with	O
,	O
personal	B-Device
computer	I-Device
(	O
PC	O
)	O
hardware	O
,	O
or	O
mobile	O
phones	O
.	O
</s>
