Flat Notes are a type of musical notation that represent pitches without the use of traditional staff lines. They are often used in various forms of music, including jazz and blues, to indicate notes that are slightly lower in pitch than their natural counterparts. This notation helps musicians understand how to play specific notes that may not be easily represented on a standard scale. In Western music, Flat Notes are denoted by a flat symbol (♭) placed before the note. For example, a B flat (B♭) indicates that the musician should play a B note that is lowered by a half step. This concept is essential for creating different musical scales and harmonies, allowing for a richer sound in compositions.