They are called lines
The lines for depression are called hachured lines
The lines are called perpendicular lines.
Either intersecting lines or perpendicular lines
On the globe they are called lines of LATITUDE and are parallel to the equator.
Those raised lines are called "frets".
if you're talking about the part with the lines across it (frets) its called the neck
A hollow guitar is called an Acoustic guitar.
the lines are meant to show symbols
they are lines
I believe his guitar is called a Burtit.
the guitar is called "guitar"!
acoustic guitar
bass guitar
They are called strings. Really! <a href="http://www.buildmyelectricguitar.com/electric-guitar/">My Electric Guitar build</a>
The lines that extend the staff are called ledger lines.
same as regular guitar, minus first and second strings. there are only 4 staff lines.