Platform pedal-regular flat pedal.

Toe clips- platform pedal with a toe clip (cage-like object) and a strap that supports your foot to the pedal at the toe portion of your foot.

Clipless pedal- small pedal that engages to a cleat that is attatched the the undeside of your cycling shoes near the ball of your foot. Disengages easily when you turn your heel outward. Not as dangerous as some make them out to be. More efficient on the pedal technique.