Action, heat, courage, desire, initiative, struggle, rupture, competition, defense, impulse and the power to cut through.
Bravery, decisiveness, energy, initiative, independence, directness, competitiveness and capacity to fight for a goal.
Aggression, impatience, violence, haste, anger, rash decisions, conflict and waste of energy.
Aries and Scorpio, as well as house 1 and house 8.
Mars indicates how a person asserts desire, faces resistance and moves into action.