to find the total number of (something)
to include (somebody or something) in a tallying and reckoning
There are about 100 copies if you count the damaged ones
to be thought of or think of (somebody or something) as having a particular quality or fulfil a particular role
Count yourself lucky
to include or exclude (somebody) as if by counting
You can count me in
to name the numbers in order by units or groups
to have value or significance
These are the people who really count
to be thought of as having a particular quality or fulfilling a particular role
Does dancing count as a sport?
to look forward to (something) as certain
to rely on (somebody)
to remind oneself of the good things in one's life