Physical limitations of the screen; it shapes the viewer experience through a certain dictation of the visual focus. It is mostly horizontal due to the human field of vision. It can also be re-shaped through the use of mattes (blocks in the transmission of light in chosen areas of the screen.
- Infer the non visualised field, the offscreen at all times.
- Restrict the visual field and dictate what the viewer should focus on.
Related inductor effect: Onscreen; Offscreen