Serve is like playing catch with a friend. When you throw the ball, you are giving it to your friend to catch. In the same way, when you serve, you are giving something to someone else. It could be food, like when you serve dinner, or it could be helping someone, like when you serve by helping clean up toys.
Think of serve like being a waiter in a restaurant. The waiter brings food to people at their tables. They make sure everyone has what they need and are happy. When you serve, you are taking care of others and making sure they have what they need.
Serve can also be like being a superhero helping others. Superheroes help people who need it, just like when you serve by sharing your toys or helping someone who is sad. Serving is about being kind and making the world a better place by helping and giving to others.