Full moon: when the entire lighted half of the moon faces the Earth.
Gibbous moon: phase of the moon from 1st quarter to full and from full to 3rd quarter where more than half of the illuminated surface of the moon is visible.
New moon: when the entire lighted half of the moon faces directly away from Earth.
Phases: the daily change in the moon's appearance from Earth.
Quarter moon: phase of the moon where exactly half of the illuminated surface of the moon is visble.
Waning: the decreasing of the moon's visible illuminated surface, from full moon to new moon.
Waxing: the increasing of
the moon's visible illuminated surface, from new moon to full moon.