Section can be:

• A cross section (in the common sense or the physics sense)
• In mathematics:
  • A conic section
  • A section of a fiber bundle or sheaf
  • Given a (surjective) homomorphism h: M -> N, a section is a map s: N -> M, such that sh is the identity on N. This might be useful when trying to find a homomorphism N -> M such that a given sequence splits. See split exact sequence: split (mathematics)
• A Caesarean section
• In UK law:
  • Section 28 of the UK's Local Government Act 1988 stated that a local authority "shall not intentionally promote homosexuality"
  • Sectioning is the informal name for involuntary medial treatment ordered using the Mental Health Act 1983.
• In the fictional Star Trek universe, Section 31
• A military unit. In the US Army, it is a half-platoon. In the British Army and its Commonwealth allies a Section is a unit equivalent to a US Army squad.
• A Section is an age grouping of Scouts in order to provide suitable Scouting activities and training for designated age group.
• A section (U.S. land surveying) is a one square mile subdivision of a survey township
• A section of musical form
• A section of a musical ensemble, usually of like instruments, such as the string section in an orchestra.
• The section sign (§)
• A section in archaeology is a method of interpreting and recording features.
• A section in botany is a rank between genus and species.
• A Section

Sektion | Sectie