lighting in studio

Flood light- the lights are used to create normal light in the studio and its easier to record in the studio but its hard to control the light.
Spot light- Concentrated light and this is used to focus on something. The light is usually used to light the host or one of the talent.
Soft light- Normally added to fill light to something. You can control how much light you would light by opening or closing the barn doors on it.

Each light has its own socket on the lighting grid and each of them are numbered for the dimmerpack which provides power for the lights.