Camera Parts

Aperture- An opening, as a hole, slit, crack, or gap.

Shutter- A shield in a camera that, when tripped, admits light to expose the film.

Exposure- The act of exposing

Depth of field- The range of distance along the camera lens, through which an object will produce a relatively distinct image.

F-stop- The setting of an adjustable lens, aperture, as indicated by an f number.

Focal Length- The distance from a focal point of a lens to the corresponding principal plane.


Front
Flash Button: the flash
Shutter Button: a shield in the camera, when triggered, admits light to expose the film.
Grip: meets with the director of photography to determine what additional will be needed
Lens Mount: an interface between a photographic camera body and a lens
Main Dial: changes focus point, make exposure compensation adjustment, change ISO, and many other  functions

Back
Aperture Button: an opening such as a slit or gap.
Live view Shooting Button: seeing what the camera lens is seeing.
Menu Button: the basic settings of the camera as in, the time and date, language and many other things.
Setting Button: sets up things like color and brightness
Display Button: sets up things from the menu