Meaning

noun serial arrangement in which things follow in logical order or a recurrent pattern

noun a following of one thing after another in time

noun film consisting of a succession of related shots that develop a given subject in a movie

originFrom Middle English sequence, from Old French sequence (“a sequence of cards, answering verses”), from Late Latin sequentia (“a following”), from Latin sequēns (“following”), from sequī (“to follow”); see sequent.

Etymology from Wiktionary, CC BY-SA 3.0