Did you ever need to know what a group of geese was called? Well, here are some of the more commonly used collective nouns, with a few of the interesting ones thrown in for good measure.
A lot of things put on top of one another in a relatively neat way is called a stack.
When you put things on top of each other in a messy way, it is a pile.
A team is a group of people or animals working together to achieve a common goal. When sports are played, they are often played in teams.
Members of a team often wear the same uniform so you can see which team they belong to.