Linear perspective creates the illusion of depth through the use of a horizon line and one or more vanishing points.

One Point Perspective

One point perspective as a single vanishing point on the horizon line.

Two Point Perspective

Two point perspective has two vanishing points on the horizon line.

Atmospheric Perspective is the visual phenomenon of distant objects appearing less detailed, less saturated, and lower contrast than near objects due to the scattering of light on small particles.