Trace
A group of sentences is called a paragraph
To walk with long steps is to stride.
A group of spectators are called an audience.
a group of workmen is called a gang!
A group of caterpillars is called an army of caterpillars.
a fight of steps
stairs
stairs
In LittleBigPlanet, the first level you play from the group of levels called "The Gardens", is called "First Steps".
The steps in an experiment are called the Scientific Method.
a flight of steps
A group of Dolphins are called a Pod
The 39 Steps
A group of dolphins is called a pod. If that is your question.
They're not called stairs. They're called steps. Stairs are indoors. Steps are out doors.
The preliminary step is to research the issue and form your hypothesis. Then, you need to find your sample group.
A group of hens is called a brood.