Fingering
Fingering means: choosing which finger to use for each note when playing a piece on a musical instrument.  When learning to play a piece it is important to try to find a good fingering.  Once a good fingering has been found it should always be used so that the piece is always played in the same way and the fingers learn “where to go”.  Sometimes printed music has some fingering printed above the notes.  This can be helpful to the player, but it is not always necessary to use the printed fingering.  People’s hands are different and a fingering that is good for one player may not be good for another.