"Settle" can mean to make a decision or reach an agreement after some discussion or negotiation. For example, when two friends argue about where to eat, they might settle on a restaurant that both enjoy. This process often involves compromise, where each person gives up something to find a solution that works for everyone.
In another context, "settle" can refer to establishing a home in a new place. When people move to a new city, they often settle in by finding a house, making new friends, and getting to know their surroundings. This process helps them feel comfortable and connected to their new community, like neighbors and local shops.