DTD - Root Element

The root element is the main and topmost element of an XML document. Every XML document must contain exactly one root element.

DTD defines which element will act as the root element. All other elements must be placed inside this root element.

The root element controls the overall structure and hierarchy of the XML document. Without it, the document becomes invalid.

DTD validation ensures that the correct root element is present in the XML document. If it is missing or incorrect, validation fails.

The root element acts as a container that groups related data together in a logical way.

This makes XML documents easier to process and understand by applications and users.