Universal design, also called universal design for learning (UDL), is the design of environments to be accessible and usable by people of all abilities and learning styles. UDL aims to make environments inclusive for people with disabilities, minorities, the elderly, and those with different learning styles. It does this by recognizing that not everyone can be treated equally and expected to achieve the same outcomes. UDL increases accessibility and makes all people feel included through its principles of representation, equitable use, flexibility, perceptible information and more.