Backlog and Queue

noun

• An accumulation of jobs not done or materials not processed that are yet to be dealt with (especially unfilled customer orders for products or services. )
• The large log at the back of a hearth fire.
• Something kept back or saved for future use or a special purpose.
  • synonyms: reserve, stockpile

verb

• Accumulate and create a backlog. .

Value of unfilled orders placed with a manufacturing company. Whether a firm's' BACKLOG' is rising or falling is a clue to its future sales and earnings.

noun

• A line of people or vehicles waiting for something.
  • synonyms: waiting line
• Information processing. ( an ordered list of tasks to be performed or messages to be transmitted)
• A braid of hair at the back of the head.

verb

• Form a queue, form a line, stand in line.
  • usage: "Customers lined up in front of the store"
  • synonyms: line up, queue up

• (n.) A tail-like appendage of hair; a pigtail.
• (n.) A line of persons waiting anywhere.
• (v.t.) To fasten, as hair, in a queue.