THE CASING: Plastic, shaped to fit all of the parts of the camera. Its purpose is to keep everything inside, to protect the camera and to protect sunlight from getting in.
THE SHUTTER: A sealed box, that doesn't allow light inside. Its purpose is to keep the film from being exposed to light until the user wants to take a picture. When the shutter release is clicked, the curtain slides open exposing the film.
FLASH CIRCUIT: If there is not enough light to produce an image, the user of a camera can trigger the flash circuit. It's purpose is to illuminate a short flash of bright light. When the shutter is released, the flash is triggered.
THE FILM: is a light sensitive emulsion on a plastic base. When a picture is taken, The light is reflected off the objects into the camera's field of view. It allows the camera to record images.
THE LENS: is a curved piece of glass/ plastic. It re-directs the beams of light bouncing off the object so they come together to form an image that looks like the real scene.
THE GAS DISCHARGE TUBE: is a tube filled with xenon gas, same gas as in a neon light or florescent lamp. There are electrodes on each end and a medal plate in the middle. The trigger plate is hidden by a reflective material wich directs the flash ligh forward.