material

A citation, or reference,[1] uniquely identifies a source of information:Wikipedia

A citation, or reference,[1] uniquely identifies a source of information:Wikipedia's Verifiability policy requires inline citations for any material [...]

Mirrors and forks of Wikipedia are publications that mirror (copy exactly) or fork (copy, but change parts of the material of) Wikipedia

Mirrors and forks of Wikipedia are publications that mirror (copy exactly) or fork (copy, but change parts of the material of) Wikipedia. Many correctly follow [...]

Userfication is the process by which material that was posted in one namespace is moved into the user namespace (prefix User:)

Userfication is the process by which material that was posted in one namespace is moved into the user namespace (prefix User:). Generally, material is moved [...]