With reference to the core philosophy of Inclusive Education and its practical implementation process, which of the following are the three primary principles of 'Universal Design for Learning' (UDL) that provide a flexible framework to meet the learning needs of all types of diverse learners (general and special needs)?

Under inclusive education, Universal Design for Learning (UDL) is an approach that designs the curriculum to ensure every student gets equal opportunities to learn. Its three main psychological and educational principles are: (1) Multiple Means of Representation so that information can be presented in various ways, (2) Multiple Means of Action and Expression so that students can demonstrate their knowledge in various ways, and (3) Multiple Means of Engagement to maintain students' interest and motivation.