<s>
In	O
the	O
Apple	O
macOS	B-Application
operating	O
system	O
,	O
a	O
package	O
is	O
a	O
file	B-Application
system	I-Application
directory	I-Application
that	O
is	O
normally	O
displayed	O
to	O
the	O
user	O
by	O
the	O
Finder	B-Application
as	O
if	O
it	O
were	O
a	O
single	O
file	O
.	O
</s>
<s>
Such	O
a	O
directory	B-Application
may	O
be	O
the	O
top-level	O
of	O
a	O
directory	B-Application
tree	I-Application
of	O
objects	O
stored	O
as	O
files	O
,	O
or	O
it	O
may	O
be	O
other	O
archives	O
of	O
files	O
or	O
objects	O
for	O
various	O
purposes	O
,	O
such	O
as	O
installer	O
packages	O
,	O
or	O
backup	O
archives	O
.	O
</s>
<s>
The	O
package	O
is	O
a	O
common	O
file	O
system	O
abstraction	O
used	O
by	O
Apple	O
operating	O
systems	O
,	O
such	O
as	O
macOS	B-Application
and	O
iOS	O
.	O
</s>
<s>
It	O
is	O
a	O
directory	B-Application
that	O
may	O
contain	O
a	O
hierarchy	O
of	O
files	O
or	O
objects	O
that	O
represent	O
a	O
preserved	O
,	O
organized	O
state	O
.	O
</s>
<s>
A	O
package	O
is	O
displayed	O
to	O
users	O
like	O
a	O
single	O
file	O
in	O
the	O
Finder	B-Application
application	O
to	O
avoid	O
being	O
changed	O
by	O
the	O
user	O
.	O
</s>
<s>
Dashboard	B-Application
widgets	I-Application
;	O
</s>
<s>
Partially	O
downloaded	O
files	O
in	O
Safari	B-Application
,	O
which	O
carry	O
the	O
extension	O
;	O
</s>
<s>
project	O
files	O
in	O
GarageBand	B-Application
,	O
Keynote	B-Protocol
,	O
Pages	B-Application
,	O
Numbers	B-Operating_System
,	O
iMovie	B-Operating_System
and	O
Xcode	B-Operating_System
;	O
</s>
<s>
The	O
Uniform	B-Operating_System
Type	I-Operating_System
Identifier	I-Operating_System
(	O
UTI	O
)	O
for	O
a	O
package	O
is	O
.	O
</s>
<s>
A	O
package	O
that	O
has	O
a	O
standardized	O
structure	O
for	O
storing	O
executable	O
code	O
and	O
its	O
associated	O
resources	O
,	O
is	O
called	O
a	O
bundle	B-Application
.	O
</s>
