Michael IantoscaSr. Director of Knowledge and EngineeringAvalaraSuppose you’re a technical writer or an IT professional working with structured content. In that case, you’ve probably heard the terms XML (eXtensible Markup Language) and DITA XML (Darwin Information Typing Architecture) tossed around in discussions. Understanding what these are — and whether to build your own XML mark-up language and system or go with DITA XML is an important decision. In this article, we’ll break down the differences, the pros and cons, and help you determine which option makes the most sense for your team’s needs.