The UDL Guidelines are presented as a graphic organizer and is a tool used to design learning experiences that meet the needs of learners. This website describes the graphic organizer in detail, explains how the framework is structured and should be read, as well as what each aspect of the UDL guidelines mean. 

CAST (2018). Universal Design for Learning Guidelines version 2.2. 

David Rose walks us through the structure of the UDL Guidelines, including how to read the guidelines, what should be reviewed first, and how the goals of the framework are supported by the guidelines and checkpoints within.