Used to indicate a sound, often in a playful context.
Al escuchar el 'clac' del cierre, supimos que la puerta estaba asegurada.
Upon hearing the 'click' of the lock, we knew the door was secured.
¡Clac! La puerta se cerró de golpe, sorprendiendo a todos en la sala.
Snap! The door closed suddenly, surprising everyone in the room.