The term 'QUEUE UP' can be broken down into two words: 'QUEUE' and 'UP'. QUEUE is a noun which means a LINE of people or vehicles waiting for something, while UP is an adverb which means to a higher level or in a forward direction. Therefore, the term 'QUEUE UP' means to form a LINE and move forward. This term is often used in the context of job descriptions, where it means to LINE UP and wait for instructions or to be assigned a task.