F major scale

Key Signature: In music theory, a key signature is a set of sharps or flats placed at the beginning of a staff to indicate which notes are to be consistently raised or lowered throughout a piece. For example, the key signature for F major includes one flat symbol (B♭).

Tonic: The tonic is the first note or pitch of any given musical scale. In the case of the F major scale, F is considered its tonic. The tonic serves as a point of stability and often feels like "home" within a piece of music.

Major Scale: A major scale is a diatonic scale consisting of seven pitches arranged in a specific pattern of whole steps and half steps. The F major scale is an example of this type of scale.