The Air element represents the mind, ideas, thought, intelligence and creativity. It indicates that situations can change quickly if our ideas are clear.
In the Tarot, the suit of Swords corresponds to the element of Air.
In astrology, the signs that correspond to the element Air are Gemini, Libra and Aquarius.
At Element we can add to the quality:
Cardinal: astrology signs are taking the initiative on things. Libra corresponds to the element of Air and is cardinal type.
Fixed: it corresponds to the signs that adopte a stubborn attitude and resists to change. Aquarius corresponds to the element of Air and is fixed rate.
Mutable: is the property of the signs that are more flexible and adaptable to different situations. Gemini is an Air sign type mutable.