Overall

Meanings

A garment worn over other clothing to protect it; a coverall or boiler suit. A garment, for manual labor or for casual wear, often made of a single piece of fabric, with long legs and a bib upper, supported from the shoulders with straps, and having several large pockets and loops for carrying tools.
All-encompassing, all around.
Generally; with everything considered.

Overalls: the "World's Greatest Overall Makers". They marketed their products as uniforms for railroad workers. One of the biggest overall manufacturers was Blue
Length overall: Length overall (LOA, o/a, o.a. or oa) is the maximum length of a vessel's hull measured parallel to the waterline. This length is important while docking
List of first overall NBA draft picks: The first overall pick in the National Basketball Association (NBA) is the player who is selected first among all eligible draftees by a team during the