Vibrato Bar - A bar that is attached to the bridge that allows the player to change the pitch of the strings.

While this is technically correct I think you need to add a note here about the technically incorrect but much used term "Tremolo Arm" which is what it always used to be called before someone came up with "Whammy Bar"

Something like Tremolo Arm - see Vibrato Bar.

Also;
Strap button,

Bridge Pin,

Jack Socket,

Jack,

Damping - LH and RH





actually LH = Left Hand, RH = Right hand could be in the glossary as well and maybe P I M A the classical right hand system