Cinematography, the art and technology of motion-picture photography. It involves such techniques as the general composition of a scene; the lighting of the set or location; the choice of cameras, lenses, filters, and film stock; the camera angle and movements; and the integration of any special effects. (Source: https://www.britannica.com/topic/cinematography)
A cinematographer’s role is different to a director’s because they only focus on the way the film is shot, this would entail decisions about lighting, the angle of the camera, the set design and the mood the director wishes to create.
Cinematography-The art of photography and camerawork in film-making. (Source-Oxford Dictionary)
Cinematographer-A person who oversees or directs photography and camerawork in film-making, especially one who operates the camera. (Source-Oxford Dictionary)
Cinematographer- Is the person responsible for the photographing or recording of a film, television production, music video or other live action piece. The cinematographer is the chief of the camera and light crews working on such projects and would normally be responsible for making artistic and technical decisions related to the image and for selecting the camera, film stock, lenses, filters, etc. The study and practice of this field is referred to as cinematography. – Wikipedia
Cinematography- Cinematography, the art and technology ofmotion-picture photography. It involves such techniques as the general composition of a scene; the lighting of the set or location; the choice of cameras, lenses, filters, and film stock; the camera angle and movements; and the integration of any special effects.-Wikipedia
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
Mise-en-scene: the arrangement of the scenery, props, etc. on the stage of a theatrical production or on the set of a film (google). Mise-en-scene helps to convey a message to the audience without the use of dialogue. The French literally translates to “placed on the scene”.