what is the meaning of tab?

[sushant]

there are many meanings of tabs ..

1. A small flap of
material on
something, used to
hold or manipulate it,
or for identification
and information
2. A facility in a word-
processing program,
or a device on a
typewriter, used for
advancing to a
sequence of set
positions in tabular
work
3. A tablet containing a
dose of a drug
4. A tabloid
Verb: 1. Mark or identify with
a projecting piece of
material
2. Activate the tab
feature on a word
processor or
typewriter