She baked cookies for her friends.

Meaning: This means to cook small, sweet cakes in an oven for people who you know and like.

Choice of Words: Baked is a verb that means to cook food in an oven. Cookies are small, sweet cakes that are often eaten as a snack. Friends are people who you know and like. When you put them together, "Baked cookies for her friends" means to cook small, sweet cakes in an oven for people who you know and like.