Tele facsimiles, also known as fax or facsimile, refers to the process of transmitting printed or written material through a phone line. In modern times, the term fax has become the most commonly used synonym for tele facsimiles. However, other synonyms for this term include facsimile transmission, tele copy, and fax message. Fax machines have been popular for several decades as an efficient way of transmitting documents, especially in the business world. With technological advancements, fax machines have been replaced with newer and more sophisticated digital transmission systems like email, cloud sharing, and messaging apps. Despite their decline in popularity, fax machines and tele facsimiles remain useful tools for transmitting sensitive and important documents.