<s>
A	O
storage	B-General_Concept
model	I-General_Concept
is	O
a	O
model	O
that	O
captures	O
key	O
physical	O
aspects	O
of	O
data	O
structure	O
in	O
a	O
data	O
store	O
.	O
</s>
<s>
On	O
the	O
other	O
hand	O
,	O
a	O
data	B-Application
model	I-Application
is	O
a	O
model	O
that	O
captures	O
key	O
logical	O
aspects	O
of	O
data	O
structure	O
in	O
a	O
database	O
.	O
</s>
<s>
The	O
physical	O
storage	O
can	O
be	O
a	O
local	O
disk	O
,	O
a	O
removable	B-Device
media	I-Device
,	O
or	O
storage	O
accessible	O
via	O
the	O
network	O
.	O
</s>
