"호" is a Korean word that can refer to various concepts, including a unit of measurement for land area, equivalent to approximately 3,306 square meters. It is commonly used in South Korea to describe the size of plots of land, especially in real estate transactions. In addition to its use in land measurement, "호" can also denote a room number or a specific designation in buildings, such as 학교 (school) or 아파트 (apartment). This usage helps identify locations within larger structures, making navigation easier for residents and visitors.