This document discusses different types of thoughts, feelings, and experiences that people can have. It defines the word "explain" as giving reasons and details. It then lists various ideas, opinions, and intellectual reactions as examples of thoughts. Feelings are defined as emotions, both pleasant and unpleasant, as well as emotional reactions. Experiences are defined as events that occur and reactions to those events. The document then provides lists of examples for pleasant feelings such as happy, calm, and content, as well as unpleasant feelings such as angry, depressed, and afraid.