Decentralisation in France means giving smaller areas, like regions and municipalities, more power to make decisions about their own affairs. Before, the French government had more control over everything, but now people in different parts of France are able to make their own choices about things that affect their daily lives. This can include things like education, transportation, and culture. It is like when your mommy and daddy give you some freedom to make choices, like what you want to eat or what toys you want to play with. It means you get to have more control over your own life, just like people in different parts of France have more control over their own lives.