(1) See
CLIQ.
(2) To select an object by pressing the mouse button when the cursor is pointing to the required menu option, icon or hypertext link. See
click and drag and
tap.
(3) The selection of a Web page. See
hits.
(4) One click is one kilometer. The term, common in the military, is sometimes used by telecom people for line distances in large networks. See
metric system.