The phrase originates from nautical vocabulary, referring to the front and back of a vessel.

Nautical Origin

Used metaphorically, it describes thoroughness in tasks or descriptions.

Metaphorical Use

It evokes a strong visual image of something being filled or covered completely.

Emphasizes the completeness of an experience or process, from beginning to end.

Highlights the duration of an activity or the span of content in books, movies, etc.

Conveys the idea of an exhaustive and thorough approach to a task or subject matter.