The term "upbeat" in literature is employed in diverse ways to evoke a sense of positivity and liveliness, as well as to describe specific rhythmic elements. In some contexts, it conveys the mood of a person or scene—for instance, a character might deliberately adopt an upbeat demeanor to mask inner feelings [1] or to lift someone’s spirits [2]. There is also its use to characterize social or economic progress, as seen in discussions about a buoyant world economy [3] or optimistic prognostications about technology [4]. Additionally, the word extends into technical literary analysis, where it describes a passage's rhythmic quality, such as an upbeat metre [5]. Overall, this multifaceted term enriches literary expression by merging emotional tone with structural nuance [6][7][8][9][10][11][12][13].