IETM Level 4 Development Process -Code and Pixels An Interactive Electronic Technical Manual (IETM) or Interactive Electronic Technical Publication (IETP) is a type of technical documentation that is written in XML or HTML-5. Interactive Electronic Technical Manuals (IETMs) range from Level 3 to Level 5. We use an IETM authoring tool in our development process for creating glossaries, hot spots, related subject connections, and dynamic hyperlinks. https://www.codeandpixels.net/ietm-level-4-development-process