Any language used as a medium of communication between peoples of diverse speech.
Example | Illustration
English is now the lingua franca of Asia, although many varieties of English are spoken there, including Australian English, Hong Kong English, Japanese English, Singaporean English, etc.
Any name formed from first letter or letters of the words in a phrase (IRS, the Internal Revenue Service), the syllables or components of one word (TNT, trinitrotoluene), or a combination of words and syllables (ESP, extrasensory perception) and usually pronounced by spelling out the letters one by one.
Example | Illustration
The few advantages of a commercial acronym are that it may challenge the consumer to ‘solve the puzzle’, as if it were a vanity license plate (TCBY, The Country’s Best Yogurt), or else present the consumer with a prefabricated bit of upscale slang (DKNY, Donna Karan New York and MGD, Miller Genuine Draft).
The chief disadvantage of an initialism is that it may be unintelligible and forgettable without a prohibitive investment in advertising. It took James Earl Jones to make“This is CNN” a meaningful phrase.