Ongoing attempts to expand business-domain support increases the number of DITA elements with every new version of the standard. While this expansion increases the utility of DITA, it carries the risk of growing complexity and lost efficiency. The purpose of the constraint mechanism is to keep DITA simple.
With constraints, you can limit the elements available to your authors to the ones you need in your content. These controls increase the efficiency of your authors by ensuring that everyone uses the same markup for the same types of content.
Apart from eliminating complexity, this mechanism lets you define the order in which elements appear in your content. These definitions further streamline the work of your authors and make your content easier for customers to follow through an established pattern of consistency throughout your topics.
Here's what you'll learn: