Used to describe someone or something moving in a loop or circle.

Physical Movement

Indicates something is surrounding or encompassing an area or object.

Enclosing Space

Suggests a non-specific route or varied locations within an area.

Implies regular travel without a fixed pattern within an area.

Used when giving a rough idea of time, not precise.

Can refer to a rough quantity or number, not just time.

Often used in casual, rather than formal or precise, contexts.