This document defines and provides examples of various types of discrimination, prejudice, and intolerance, including stereotyping, racism, sexism, classism, linguicism, ablism, ageism, heterosexism, religious intolerance, and xenophobia. It explains that these forms of discrimination involve unfair treatment or beliefs that certain groups are inferior due to characteristics such as race, gender, social class, language use, disability status, age, sexual orientation, religion, or nationality.