Open a piano piece and you can find any number of piano symbols, words, and abbreviations. The composer included them to help you know how he envisioned the piece being playedand how it will sound the best to be performed. Consequently, it is wise to know what the musical terms mean and to be able to instantly identify them.
Dynamic markings tell how quietly or loudly to play
Mezzo piano: moderately soft. Mezzo means moderately in Italian. Anything with mezzo written before it means moderately.
Tempo markings tell the pace (or speed) which are to play
a tempo: play the same speed as when you started the song
coda: the ending phrases of a song
D.S. al coda
Staccato: the dot means to make the note jumpy and detached
Tenuto mark: press into the note, giving it its full value. Give the note extra emphasis by simply stressing the its count value
Yoke Wong recommends theEasy Beginner Piano Course