If you have in mind a body of information to put across to your reader, you probably have a mental organization for it. Normally this is a sort of hierarchical tree, like the chapters of a book if you were to write a book.
Keep this structure. It helps readers to have a tree structure as a basis for the book: it gives them a feeling of knowing where they are. You can also use this structure for organizing your files in directories.
You should also bear in mind:
(Up to overview , back to Cool URIs don't change , on to: writing each document )© 1991-95 Tim BL