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• A cross section (in the common sense or the physics sense)
• In mathematics:
  • A conic section
  • A section of a fiber bundle or sheaf
• A Caesarean section
• In UK law, Section 28
• In the fictional Star Trek universe, Section 31
• A military unit
• A section (land) is subdivision of U.S. township
• A section of musical formThe term musical form is used in two related ways: a generic type of composition such as the symphony or concerto the structure of a particular piece, how its parts are put together to make the whole; this too can be generic, such as binary form or sonata, including introductionIn music, the introduction is a passage or section which opens a movement or a separate piece. In popular music this is often called an intro . The introduction may be the first statement of primary or other important material, may be related to but diffe or intro, expositionAn exposition may be one of the following: In music an exposition is the first of the sections in sonata allegro form. It usually presents two contrasting themes, the first in the tonic key, the second in a related one (perhaps the dominant or relative ma, recapitulationIn music theory, the third major section of a movement written in sonata form. The recapitulation re-presents the thematic material that originally appeared in the exposition section, placing it all in the tonic key (that is, the overall key of the moveme, verseVerse is a writing that uses meter as its primary organisational mode, as opposed to prose, which uses grammatical and discoursal units like sentences and paragraphs. Verse may also use rhyme and other technical devices that are often associated with poet, chorusFor the communications operator see Chorus Communications : For the computer operating system see ChorusOS In classical music a chorus is any substantial group of performers in a play, revue, musical or opera who act more or less as one. It can also mean or refrainA refrain (from the Old French refraindre "to repeat," likely from Vulgar Latin refringere is the line or lines that are repeated in music or in verse; the " chorus" of a song. Poetic fixed forms that feature refrains include the villanelle the virelay an, conclusionIn logic, a conclusion is a proposition inferred from premises. The conclusion is the final section of an essay in which the writer ties together what was presented in the passage, summing up the main point, explaining how the thesis was proven, and succe, coda or outro, fadeout, bridge or interlude; or a sectional form such as binary 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 biology is a taxonomic grade intermediate between genus and species.