Contour Lines.
A perceived line that marks the edge of a figure as it curves back into space. Contour lines are created by the edges of things. Contour lines are lines that surround and define the edges of a subject, giving it shape and volume
I could answer 1 question, which is the first one!!! Saul Bass was an American graphic designer and an Oscar-winning film maker, who spreaded inspiration around the world.
Explanation: for guitar those are cords at the top per cord you have a music note so depending on the cord is a note so remeber at the complete bottom line its E then goes to g b d f then on the open spaces you have d f a c e g
