* A person or people of Asian descent: "My friend is Asian."
* A specific Asian ethnicity or nationality: "She is of Korean descent." "He is from Vietnam."
* A geographic region: "Southeast Asia"
You should not capitalize "Asian" when it is used as an adjective describing something related to Asia:
* Asian culture: "I love Asian food."
* Asian art: "The museum has a beautiful collection of Asian art."
Important Note: The use of "Asian" can be a complex and sensitive topic. It's important to be mindful of the context and avoid generalizations or stereotypes.
Remember, language evolves, and the best way to be sure about capitalization is to check a reputable style guide, such as the Chicago Manual of Style or the Associated Press Stylebook.