Section, Sectioning, or Sectioned may refer to:

Arts, entertainment and media

* Section (music), a complete, but not independent, musical idea * Section (typography), a subdivision, especially of a chapter, in books and documents ** Section sign (§), typographical characters * Section (bookbinding), a group of sheets, folded in the middle, bound into the binding together * The Section (band), a 1970s American instrumental rock band * ''The Outpost'' (1995 film), also known as ''The Section'' * Section, an instrumental group within an

orchestra An orchestra (; ) is a large instrumental ensemble typical of classical music, which combines instruments from different families. There are typically four main sections of instruments: * String instruments, such as the violin, viola, cello, ...

* "Section", a song by 2 Chainz from the 2016 album '' ColleGrove'' * "Sectioning" (''Peep Show''), a 2005 television episode * David "Section" Mason, a fictional character in '' Call of Duty: Black Ops II''

Organisations

* Section (Alpine club) *

Section (military unit) A section is a military sub-subunit. It usually consists of between 6 and 20 personnel. NATO and U.S. doctrine define a section as an organization "larger than a squad, but smaller than a platoon." As such, two or more sections usually make up ...

* Section (Scouting)

Science, technology and mathematics

Science

* Section (archaeology), a view in part of the archaeological sequence showing it in the vertical plane * Section (biology), a taxonomic rank that is applied differently between botany and zoology **

Section (botany) In botany, a section () is a taxonomic rank below the genus, but above the species. The subgenus, if present, is higher than the section; and the rank of Series (botany), series, if present, is below the section. Sections may in turn be divided i ...

* Histological section, a thin slice of tissue used for microscopic examination, achieved by sectioning

Mathematics

* Section (category theory), a right inverse of some morphism **

Section (fiber bundle) In the mathematical field of topology, a section (or cross section) of a fiber bundle E is a continuous right inverse of the projection function \pi. In other words, if E is a fiber bundle over a base space, B: : \pi \colon E \to B then ...

, in topology ** Part of a sheaf (mathematics) * Section (group theory), a quotient object of a subobject * Conic section, intersection of a cone and a plane

Other uses in science and technology

* , an

HTML5 HTML5 (Hypertext Markup Language 5) is a markup language used for structuring and presenting hypertext documents on the World Wide Web. It was the fifth and final major HTML version that is now a retired World Wide Web Consortium (W3C) recommend ...

markup * Sectioning (car), a customization of hot rod cars

Surveying

* Section (United States land surveying), an area nominally one square mile * Section, an area of one square mile in

Dominion Land Survey The Dominion Land Survey (DLS; ) is the method used to divide most of Western Canada into one-square-mile (2.6 km2) sections for agricultural and other purposes. It is based on the layout of the Public Land Survey System used in the United St ...

, Western Canada * Section, part of the Alberta Township System

Other uses

* Section, Alabama, a town in the United States * Section (rail transport), a portion of railway line or a portion of a train * Sectioning, involuntary commitment for severe mental illness