Public review preview. Candidate definitions have not yet been read by the two reviewers. Each entry shows its review status.
learning

Judged: two independent readers; copy check clear.

illumination

illumination Illumination is the lighting condition in which actions or events are observed.

Illumination is the lighting condition in which actions or events are observed. In this source, it refers to how bright or dark the environment is, which can strongly affect accurate recognition, especially in low-light settings.