Backlog and Time lag

Backlog 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).

Time lag and backlog are semantically related in latency topic. In some cases you can use "Time lag" instead a noun "Backlog".

Time lag noun - Time during which some action is awaited.

Backlog and time lag are semantically related in latency topic. Sometimes you can use "Backlog" instead a noun phrase "Time lag".