AAAAAAAAAAAA that's a funny thing on the urban dictionary.
Example: Yes
Light
Noun
the natural agent that stimulates sight and makes things visible.
Example: This light is hurting my eye
With an ring on me inside
Penumbra
Noun
the partially shaded outer region of the shadow cast by an opaque object.
Example: Penumbra are the "lighted" part of numbra
Reflection
Noun
The throwing back by a body or surface of light, heat, or sound without absorbing it.
Example: The mirror reflects the light, and show what is on front of him
Shade
Noun
comparative darkness and coolness caused by shelter from direct sunlight.
Example: The shade that this light produce
Is an flash that is going to reduce
Umbra
Noun
Umbra
the fully shaded inner region of a shadow cast by an opaque object, especially the area on the earth or moon experiencing the total phase of an eclipse.
Example: Umbra is a shadow maked by the light when blocked