Tango Dance Steps

which are the basic steps of tango?
classic tango, I do not know the steps in the air .. only on the ground, the steps that older persons in dance parties in Argentina tango milongas, or …. understand?
First approach (steps 2-5 of the basic number 8): 1) step side: the right of women, the man left two) walk outside: women left behind, the man straight ahead 3) woman back right, front man left 4) women's cross with his left, a man close second with the right approach (a zig-zag foot): Male Couple turn to the left (counterclockwise) 1) walk out: women back to the left, the man straight ahead 2) Side step: a woman's right, the man left while rotating the right of men (Right) 3) very closely: the right of man, the woman stopped 4) walk out: woman back right, front man left 5) next step: a woman left, the right of the man while tour the man on the left (counterclockwise) 6) close attention: leave the man, right woman third approach (online walking with pauses): Walk into line with men goes forward and the woman goes back for two or three steps, about a quarter or third stage. Make three or four weight changes between the rhythmic feet, walking … Fourth Resume approach (table advances two steps forward and one step back is removed): 1) step to the side: the right of women, the man left two) walk out: the woman back left, straight forward man 3) women right back, left shoulder forward 4) next step: a woman left, the right of man 5) passage on the line of the dance right front of the woman, the man back to the left 6) Close: left wife, Esperanza right man to help.
How to Tango Dance : Promenade Dance Steps for Tango Dancing