Definition & Meaning of "[be] in line for {sth}"

What is the origin of the idiom "be in line for something" and when to use it?

The phrase "be in line for something" is an idiom that is often used to indicate that someone is likely to receive, achieve, or experience a particular outcome or opportunity. The origin of this phrase is rooted in the idea of standing in a line or queue, where each person waits their turn for something, implying that the individual is next in line to receive the specified thing.