noun

a short, sharp sound as of a switch being operated or of two hard objects coming smartly into contact.

she heard the click of the door

clink,clack,chink,snick,snap,pop,tick

verb

make or cause to make a short, sharp sound as of a switch being operated or of two hard objects coming smartly into contact.

the key clicked in the lock and the door opened

clink,clack,chink,snick,tick,snap,pop