What are the different guitar music symbols used to notate various techniques and expressions on sheet music?

Some guitar music symbols used to notate techniques and expressions on sheet music include:

1. Hammer-ons and pull-offs: indicated by curved lines connecting two notes.
2. Slides: indicated by a diagonal line connecting two notes.
3. Bends: indicated by an upward arrow or curved line above the note.
4. Vibrato: indicated by a wavy line above the note.
5. Palm muting: indicated by a "P.M." or a notation to mute the strings with the palm of the hand.
6. Harmonics: indicated by a small circle above the note.
7. Tremolo picking: indicated by a series of slashes through the note stem.
8. Tapping: indicated by a "T" above the note.