An official community plan is a big plan made by grown-ups in charge of a whole town or city. Think of it like a map or a blueprint for how the town should look and how the people who live there should be able to do things like work, play and live their lives.
Just like your parents make rules about how things should be done in your house, the people in charge of a town need to make rules too. These rules can help decide where new buildings can be built, how many parks or playgrounds should be made and where they should be located.
The official community plan also thinks about the future of the town and how it can change and grow over time. This is important because as more people move into the town, they will need more places to live, work and play.
So, the grown-ups make the official community plan to help make sure that the town grows in a good and healthy way that is good for everyone who lives there. It's a lot of work, but it helps everyone live better lives in the long run!