click
click
verb
To press a button on a computer mouse or similar input device.
"Click the icon to open the file."
noun
A short, sharp sound, often made by a mechanism or pressing something.
"I heard a click from the lock."
verb
To suddenly understand or realise something; to make sense.
"The solution finally clicked for him."
Thesaurus
Synonyms: get through, fall into place, sink in, penetrate, come home, dawn, get across, chatter, chink, clink, clack, cluck