Note: This is a work in progress and many formatting issues have been fixed. Read more about the project on the home page.
closeCard
Handler:
HyperCard sends the closeCard
message to a card when a user (or script) goes to another card; deletes a card, background, or stack; or quits HyperCard.
Any return-separated list of built-in commands, user-defined handlers, or keywords that are part of a message or function handler.