Q: What does the TC light mean on the vehicle? on 2003 Land Rover Discovery

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
Just bought the car and the light has only come on once but there was no manual in the vehicle for me to see what it means. Is this serious?
(3) Answers
It means Traction Control and if one tire looses traction it will send power to the non spinning tire as to keep you from getting stuck