The neutral surface of the screen is continuously traversed by luminous interferences. The surface, defined by the screen, is traversed by a beam of light in multiple directions, revealing bodies of different nature and identity. Light, as a technical resource, names the object and, in its incessant movement, establishes a play of correspondences. Light is the eye that forms a singularity from the whole. Light is the language that isolates from the indistinct noise of sounds.