section
n. countablen. one of the parts that something is divided into. You use this to talk about a specific area of a book, a building, or a large group of people.
n. a distinct part or subdivision of a larger whole, such as a document, organization, or physical object.
I am reading the sports section of the newspaper.
The library has a quiet study section located on the third floor for students preparing for exams.
The legal team carefully reviewed every section of the contract to ensure that the liability clauses were clearly defined and enforceable.
From Middle English seccioun, from Old French section, from Latin sectiō (“cutting, cutting off, excision, amputation of diseased parts of the body, etc.”), from sectus, past participle of secāre (“to cut”). More at saw.
Often used with the preposition 'of' to indicate the larger entity it belongs to.