Which word(s) best substitute(s) the word(s) in green?
A vanishing point is also known as point of convergence and it is an important element in many works of art.

• masters
• pieces
• artifacts

The vanishing point is the spot on the horizon line where the parallel lines diminish and, finally, vanish.

• fly
• appear
• disappear

The vanishing point permits photographs, paintings and drawings to have a three-dimensional look.

• allows
• promises
• forces

One easy way of illustrating this in real life is to stand in the middle of a straight street. 

• road
• motorway
• lane

When you do this, you see how the sides of the street meet in one spot on the horizon.

• front
• line
• place

The point of intersection is the vanishing point.

• of parallel lines
• where the lines meet
• of not return