Position and Motion

Reference

Reference point is the starting point you chose to describe the location, or position, of an object.

Position

Position is an objects distance and direction from a reference point.

Motion

Motion is the process of changing position.

Displacement 

Displacement is the difference between the initial position and the final position of an object. 

Quantitative

Quantitative uses numbers to describe what is observed.

Qualitative

Qualitative uses words to describe what is observed.