Advantage 1 Very handy for glossary functions or for texts that make multiple references to a single text, table, image or other data.
Advantage 2 Encourages efficient reuse of important information.
Advantage 3 Provides simple means of producing documents for readers with different levels of knowledge or expertise.
Disadvantage Systems that create many-to-one links automatically can produce a distracting number of identical links.
Comments This form of linking is one of the great strengths of HTML.