Question: are exposure and shutter speed the same thing

Context: In photography, shutter speed or exposure time is the length of time when the film or digital sensor inside the camera is exposed to light, also when a camera's shutter is open when taking a photograph. The amount of light that reaches the film or image sensor is proportional to the exposure time. ​⁄ of a second will let half as much light in as ​⁄.
