To cause to make a click; to operate (a switch, etc) so that it makes a click.
To press and release (a button on a computer mouse).
To select a software item using, usually, but not always, the pressing of a mouse button.
To visit a web site.
Visit a location, call, or click www.example.com.
To navigate by clicking a mouse button.
From the home page, click through to the Products section.
To emit a click.
He bent his fingers back until the joints clicked.
To make sense suddenly.
Then it clicked - I had been going the wrong way all that time.
To get on well.
When we met at the party, we just clicked and we’ve been best friends ever since.
To tick.
To take (a photograph) with a camera.
To snatch.