The document structure plays a substantial part. The hypertext concept suits perfectly to this kind of documents since we have to quickly reach a precise part of text. Items of information are independent and often short-lived. We hold newspaper, articles, mails, announcements, etc. as examples of this document category. The document is made up by independent entries from each other.
Some examples are dictionary, list, yearbook, etc.
According to the book type, the organization management can differ like as database, hypermedia, simple text files. The item will be read in full. For each function, we will give its appropriateness in regards to the four categories of documents. This set groups together the basic functions of moving within speech recordings. These basic functions are highly effective for all the categories.