Meaning: This sentence describes the children's playful interaction with their friends, highlighting the snowball fight as a symbol of winter fun.
Choice of Words: A "snowball fight" is a playful activity where people throw snowballs at each other. "Friends" are people who are liked and trusted by each other. When you put these words together, you get a picture of children engaging in a snowball fight with their friends, which is a common and enjoyable winter activity.