What is asterisk meaning?

Asterisk is a symbol (*) used to indicate a footnote or to emphasize a certain word or phrase in a text. It is also used as a wildcard character in computer programming languages to represent any character or sequence of characters. The word asterisk comes from the Greek word asteriskos, meaning "little star," which refers to its star-like shape. In telephony, Asterisk is also the name of an open-source software platform that enables the creation of communication applications like voicemail, conference calling, and interactive voice response systems.