Marking images with brief descriptors of location or subjects is known as tagging. These can be added, edited, and queried on in image management software such as Adobe Lightroom, and are also utilized by photo services such as Flickr.
There is no tag wiki for this tag … yet!
Tag wikis help introduce newcomers to the tag. They contain an overview of the topic defined by the tag, along with guidelines on its usage.
All registered users may propose new tag wikis.
(Note that if you have less than 20000 reputation, your tag wiki will be peer reviewed before it is published.)