Help: Tag Aliases
Sometimes, two tags can mean the same thing. For example,
female have identical meanings. It makes sense that if you search for one, you should also get the results for the other.
e621 tries to fix this issue by using tag aliases. You can alias one or more tags to one reference tag. For example, if we aliased
female, then whenever someone searched for
girl or tagged a post with
girl, it would be internally replaced with
When a tag is aliased to another tag, that means that the two tags are equivalent. You would not generally alias
square, for example, because while all squares are rectangles, not all rectangles are squares. To model this sort of relationship, you would need to use implications.
While anyone can suggest an alias, only an administrator can approve it.