Treble Clef () – Indicates higher pitch range (used for instruments like violin, flute, and right hand of the piano).Bass Clef () – Indicates lower pitch range (used for cello, bass guitar, and left hand of the piano).Staff – The five lines where music notes are written.Bar Lines – Vertical lines that divide the staff into measures.Double Bar Line – Two lines that signify the end of a section or piece.Time Signature – Tells how many beats are in a measure (e.g., 4/4, 3/4, 6/8).Key Signature – Indicates the key of the music by showing which notes are sharp or flat.