A thing of significance, within the scope of the application system. See also entity.
A general entity that references a piece of text (including its markup and even other internal entities), usually as a keyboard shortcut.
An internal entity refers to part of the text and is often used as a schortcut for portions of a text frequently repeated.
An internal entity refers to part of the text and is often used as a shortcut for frequently repeated text.
An entity that contains information stored in the entity declaration itself. Internal entities can contain only text or character data.