Mercury co-rules the signs of Gemini and Virgo, and is associated with the 3rd house. In Gemini (an air sign) Mercury is social, curious, it likes to keep busy and move around. In Virgo (an earth sign) it analyzes facts, figures and details that relate to our routines and daily experience.
Keywords for Mercury
Communication, navigation, logic, reason, dexterity, speech, writing (all forms), wit, cleverness, nervous system, siblings, neighbors, and local travel.
Mercury is how we Think and Communicate
By sign and house position in the horoscope, Mercury shows how we think and communicate best.