The About, Executive Overview, and FAQ are good places to start if you want to understand what DACS does, how it works, and who it is for. Or take a look at some of its features and benefits.
The What is DACS? article describes its basic features with a minimum of technical detail.
For the more technically inclined, the dacs(1) manual page includes important and fundamental information. The Tips & Examples page consists of practical examples that demonstrate how DACS can solve common kinds of authentication and access control problems. This can also be a good place to start to get a feel for what DACS can do.
Whether you are interested in deploying DACS as a complete web-based system or are only interested in using one of its components, DACS offers a variety of solutions.
Some simple demonstrations are available to help you to understand how DACS works and how it can be used.