How to let others know what you know

Always worried about writing documents. There are many things you know, but it is a difficult problem to ask others to know. Although I have also written documents, such documents are only written for those who know you. If others do not understand your documents, they simply cannot understand them.

So what is the use of such a document? It is like writing a detailed design. If a detailed design written by a person can only be understood by himself, how much reference value does it have for others.

Therefore, you must understand the reader's feelings when writing documents. How to make it easier for readers to understand what you mean, or at least understand what you mean. This is not an easy task.