Definition of slant and tilt. (A) Slant is the angle of rotation

Axial tilt - Wikipedia

Earth's Tilt on its Axis, Seasonal Changes & History

Why does the Earth spin at a tilted angle, and what is its axis exactly? - Quora

Mental geometry of perceiving 3D size in pictures

An example of the same tilt angle but with different slant angles.

Rotating your UCS

Slant Angle and Its Influence on Rock Cutting Performance

Rotation of Parabolas

Effects of Earth's Axial Tilt - INSIGHTSIAS

The Moon's Inclined Orbital Plane

Bootstrapping a better slant: A stratified process for recovering 3D metric slant