A clue in a word puzzle requiring an answer that is a set of letters placed before the main part of a telephone-related word. The solution will often be a short group of letters modifying the meaning of the root word, thus forming a new term associated with telephones or telephony.
These puzzles provide an engaging mental exercise, broadening vocabulary and enhancing problem-solving skills. Historically, such word games have served as a popular form of entertainment and a means to test linguistic knowledge. They contribute to cognitive function and can stimulate interest in etymology and word origins.