Cinematography is the art and use of motion capture technology. It involves techniques such as composition of a scene; the lighting of the set or the location; the choice of cameras, lenses, filters, film stock; camera angles and movements; and integration of any special effects. -britannica.com
A cinematographer is the one responsible for the development, look, and feel of the images that make up the final scene.
Extension:
Directors are the ones who lead the creative side of the film; all the way from post-production to editing. -screenskills.com