The F major key signature is a musical notation that indicates the use of the F major scale, which consists of the pitches F, G, A, B♭, C, D, and E. It establishes a bright and cheerful tonality.
Major Key: A musical key characterized by its bright and positive tonality. In this case, F major represents such characteristics.
Circle of Fifths: A visual representation of all 12 major keys arranged in fifths. It helps musicians understand relationships between different keys.
Subdominant: The fourth note or chord in a diatonic scale. In this case, it refers to the note B♭ in the F major scale.