Not a real userThis user is not a real person. It is used when you want to refer to any user but not one user specifically.
This is an example of a user page. See Wikipedia:User pages for help on using user pages.
Example is an account created to be used in examples where you don't want to name a particular user.
Place Holder is a similar account, used when you intend to replace the user name with an actual user later.
Users can create subpages in their own userspace, for purposes such as drafting articles. Below is an example of a subpage:
Every user page has a user talk page for talking with the user users: