Score: Printed form of a big and complete piece of music; a formal way to express a piece of complete sheet music.

Staff(stave): The foundation to determine the notes, it’s made up of 5 spaces and 4 lines. Bass staff is the part your left-hand plays, while the treble staff is the part your right-hand plays. The great staff/stave or grand staff is a pair of staff.

Measure(bar): A group or a unit of the score that contains a specific amount of beats.

Notes: Symbols that are placed on the staff that indicates the length(how long you have to hold the key for), tone, pitch, sound.

Clef: Symbols(usual at the beginning) that determines the pitch of the notes

Time signatures(meter):it's a symbol that indicates the amount of beats in one measure.