The camera’s shutter speed determines how long the sensor will be exposed to incoming light from the lens.
Faster speed = shorter time/”exposure”.
Slower speed = longer exposure.
Every year in Melbourne during Easter, various organisations put on a play that re-enacts the Passion of Christ. I was fortunate enough to be involved in one of them for the past few years. Having never been part of an outdoor play, it was exciting to go see one being performed.