backlogs

/B AE1 K L AO0 G Z/
noun
  1. 1

    A large log to burn at the back of a fire.

  2. 2

    A reserve source or supply.

  3. 3

    An accumulation or buildup, especially of unfilled orders or unfinished work.

    โ€œHe went to work on Saturday to try to work through the backlog of papers on his desk.โ€

  4. 4

    A log containing text previously read, as in text-based video games or chat rooms.

Source: https://en.wiktionary.org/wiki/backlog, https://en.wiktionary.org/wiki/backlogs