frets
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.
The guitar lines in this song are called the "riffs."
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
I believe his guitar is called a Burtit.
the guitar is called "guitar"!
The lines that extend the staff are called ledger lines.
bass guitar
acoustic guitar
They are called lines
They are called strings. Really! <a href="http://www.buildmyelectricguitar.com/electric-guitar/">My Electric Guitar build</a>