Understanding the apparent motions of the sky requires that one be familiar with the terms to describe the various planes, circles and points in the three dimensional geometry of the heavens.
Zenith Horizon Celestial Equator North and South Celestial Poles Ecliptic Celestial Meridian
These locations on the sphere are best seen in an illustration
Carpe Caelum Planetary Astronomy
Carpe Caelum Planetary Astronomy