Range 1:

Kicking range, normally out of range for punches.

Range 2:

Punching range,
too close for most kicks.

Range 3:

Knee and ellbow range,
no kicks and hardly any punches can be used here.

Range 4:

Grappling range,
no kicks or punches are usefull here.

Range 5:

Ground fighting,
a different set of rules applies here.