f. Forte. Loudly: strongly.
ff. Fortissimo. Very loud.
fff. Fortississimo. As loud as possible.
f.p. Forte-piano. Loud, then soft.
Leg. Legato. In a smooth and gliding manner.
Lo. Loco. Indicating to return to the proper pitch after having played an octave higher.
mf. or mff. Mezzo-forte. Moderately loud.
mp. Mezzo-piano. Moderately soft.
Manc. Mancando. Dying away, decreasing.