Can someone simplify Air Frances baggage system.?

Question

I'm flying air france from Heathrow(UK) to Paris CDG. My E-Ticket says baggage allowance 20kilos. What dose this mean and what's the charge if I go over. What dimensions does the bag have to be? Is that carry on or checking in to the luggage haul?

Answer 1

it means that you are only aloud 20 kilos of baggage and if oyu go over it you  will have to probably pay around 100 pounds