IPA: /sɪˈlɛkʃən/
KK: /sɪˈlɛkʃən/
The act of choosing something or the result of that choice, often referring to a group of items or people that have been picked from a larger set.
The selection of books at the library includes many popular titles.
Selection → It is formed from "select" (from Latin "seligere", meaning to choose) and "-ion" (a suffix used to form nouns indicating an action or condition). The word "selection" refers to the act or process of choosing or picking out from a group.
Think of the act of 'choosing' ('select') something, and the '-ion' indicates that it is a process. This helps you remember that 'selection' is the process of choosing.