A flat, rectangular tool used to draw, cut or check the straightness of straight lines.
Living one's life opposing or eschewing the use of substances such as alcohol, tobacco, and drugs.
The underlying shape of a solid.
The overall form or organization of something.
Underwater terrain or objects (such as a dead tree or a submerged car) that tend to attract fish
A body, such as a political party, with a cohesive purpose or outlook.
A cohesive whole built up of distinct parts.
A set along with a collection of finitary functions and relations.
Several pieces of data treated as a unit.
A set of rules defining behaviour.
To give structure to; to arrange.