The document discusses success, failure, and difficulty. It provides examples of phrases using words related to succeeding such as "manage to do something", "succeed in doing something", and "achieve goals". Examples of phrases about failing include "plans go wrong" and "companies fold". The document also gives examples of phrases involving difficulty, such as "it's hard to do something", "have trouble doing something", and "can you cope with...". Finally, it presents a matrix of words related to succeeding and their word classes.