"Noona" is a Korean term used to refer to an older sister or an older female friend, particularly by younger males. It conveys a sense of affection and respect, highlighting the close bond between the individuals. The term is commonly used in everyday conversation and is an important part of Korean culture, reflecting the significance of age hierarchy in social interactions. In addition to its familial meaning, "noona" is often used in the context of K-dramas and K-pop, where younger male characters or idols may refer to older female characters or fans as "noona." This usage adds a layer of charm and familiarity, making it a popular term among fans and in various media.