What is the shutter speed

Shutter speed is the amount of time that the film or Digital sensor in the camera is exponer to the light

Explanation:

Explanation: Shutter speed helps the length of time camera when shutter is open, exposing light onto the camera sensor. Essentially, it's how long your camera spends taking a photo. This has a few important effects in how your images will appear.

For example: Let's say I wanted to to take a picture of a bird, Of course it is very hard to make the bird sit still, nearly impossible. So, I want to use Shutter speed to have the picture not to be so blurry and have to picture turn out nice.