<s>
In	O
the	O
field	O
of	O
software	B-General_Concept
engineering	I-General_Concept
,	O
a	O
profile	B-Language
diagram	I-Language
operates	O
at	O
the	O
metamodel	O
level	O
to	O
show	O
stereotypes	O
as	O
classes	O
with	O
the	O
«	O
stereotype»	O
stereotype	O
,	O
and	O
profiles	O
as	O
packages	O
with	O
the	O
«	O
profile»	O
stereotype	O
.	O
</s>
<s>
The	O
profile	B-Language
diagram	I-Language
did	O
n't	O
exist	O
in	O
UML	B-Language
1	O
.	O
</s>
<s>
It	O
was	O
introduced	O
with	O
UML	B-Language
2	I-Language
to	O
display	O
the	O
usage	O
of	O
profiles	O
.	O
</s>
