A motive is to motivate a theme is what the motive should be about
It is believed that early artists created artists for no purpose. It is believed that artists work was created to look beautiful and to just be and not for a deeper purpose.
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Renaissance painters developed the technique of Perspective. It is a technique that depicts three dimension into a flat surface.
Answer:
The sensor: The most obvious difference between film and digital is the sensor used to take the photo. With film cameras a film sensitive to light is placed behind the lens. When a photo is taken the shutter opens for a predetermined period of time and light hits the film. The result is a photo "printed" on the film.
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