The Grand Staff (also known as the Grand Stave) is basically just 2 staves joined together, with an invisible line in between them! If you haven't already learned the order of notes on the staves
a pair of five-line staffs connected by a brace that contain the music for a single instrument (such as a piano, xylophone, or harp) Middle C, located near the center of the keyboard, falls in the center of the grand staff.—