S5 is a term that can refer to various concepts depending on the context. In technology, it often denotes the Samsung Galaxy S5, a smartphone released in 2014 known for its water resistance, 16-megapixel camera, and vibrant display. It was part of the popular Galaxy S series and featured a user-friendly interface. In mathematics, S5 refers to the symmetric group on five elements, which is a fundamental concept in group theory. This group consists of all possible permutations of five distinct objects, showcasing the various ways they can be arranged. It plays a significant role in abstract algebra and combinatorics.