Band Proper is divided into sections according to the instrument played. There are major sections (such as woodwinds, brass, low brass) and each of them is divided into subsections of individual instruments. A sectional is when the members of a section get together either during practice at school, or more commonly at the section leader's home and hold a music practice (among other things).
area; part In pages with more than one header, a section is a portion of a page between two header. In pages with only one header, but with multiple subheaders, a section is a portion of a page between two subheaders. use "section" for content areas at any level, such as the "Foreign Investments" subsection Headers
Divisions in a form or report that each have their own properties. Sections include the form or report header and footer, page header and footer, details, and in reports group headers and footers.