Structures meaning : A cohesive whole built up of distinct parts. The underlying shape of a solid. The overall form or organization of something. A set of rules defining behaviour. Several pieces of data treated as a unit. 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 set along with a collection of finitary functions and relations. To give structure to; to arrange.