• Regarding links, navigation establishes an association between an original data component and destination data components.

• The associative link, or simply link, is what effectively allows navigation through data components, and represents the main characteristic of hypertext and hypermedia.

• The consideration of types for links by definition establishes semantic information that allows hypermedia systems to efficiently manage data or data modeling, preventing this task to be the responsibility of designers or users.

• Link types can be used through almost every step of model-based approaches to hypermedia design, i.e., link types are