The light of the sun; also sunshine. Use sunlight where the light is apparently or observably coming from the sun in the sky. (See post #5469)
Sunbeam (crepuscular rays) is where light rays stream through gaps in clouds or between other objects. These are columns of sunlit air separated by darker cloud-shadowed regions. (See post #438675)
Sunburst is for designs or figures of burst of sunlight, but may not necessarily be the actual sun (heavenly body). (See post #645306)
For tagging purposes, keep in mind that a particular image may satisfy one or more of the specific terms mentions above.
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