A doorknocker serves as an essential mechanism for knocking on doors to gain entry. There are many synonyms and alternative terms for a doorknocker that can be used interchangeably. These include "door knocker," "doorbell," "door tapper," "door ringer," "knock-knock," and "door chime." Other synonyms that describe the sound or action of a doorknocker include "tap," "rap," "bang," and "pound." Some more creative terms include "doorbell of fate," "invitation imprinter," and "threshold tapper." No matter what it is called, the doorknocker remains a crucial part of the doorway and provides a welcoming signal to those who want to enter.