Links of the same nature have identical colors, shapes and behaviors in all Content Documents.
Maintaining consistency between the form of a link and its nature makes it easier to learn the internal interface of the ebook.
Objectives
Improve the identification of links and their respective functions.
Implementation
Apply common style, color, weight, case, underline properties to sets of links of the same nature.
Control
Throughout the ebook, check that links of the same nature (links throughout the text, references to notes, social networks, etc.) have visually similar presentations throughout the ebook.