The term "12th" typically refers to the ordinal number that indicates the position of something in a sequence, specifically the one that comes after the 11th and before the 13th. It is commonly used in various contexts, such as ranking, dates, and educational levels. For example, in the United States, students in the 12th grade are usually in their final year of high school. In music, "12th" can also refer to an interval between two notes, specifically the distance of an octave plus a fifth. This interval is important in music theory and is used in the construction of chords and harmonies. Understanding the 12th can enhance a musician's ability to create and analyze music.