An interactive diagram is a visual representation of information that allows you to engage with it by clicking on different parts or elements to explore and learn more. Full definition
Simple interactive diagrams allow for visual understanding alongside the text. (home-ed.info)
On both PC and iPhone, the rendering is smooth — with colorful books, like reference texts, the effect is impressive, with interactive diagrams, video and clickable text. (gizmodo.com)
iBooks Author is Apple's book - creation app that helps you develop Multi-Touch books with interactive elements such as 3D video, embedded web widgets, interactive diagrams even Keynote presentations. (publishdrive.com)