There are lots of metadata available in photos. Here are some commonly used ones. Some of these are done automatically and some needs manual entry.
- Copyright Info:
- Year copyrighted
- Usage terms
- (A URL is also possible, in case you wish to link your a copyright/license.)
- Detailed Photo Info
- Title
- Description/caption <--
- IPTC Metadata:
- Category(s)
- genre
- scene, location
- Contact Info
- Creator
- State
- Country
- Phone