In general, diary is needed by everyone. Everyone needs a diary to write his/her short-term and long-term plans. A diary is needed by anyone like a kindergarten child, a primary school pupil, a student, a businessman, a civil servant, a farmer and the leader. There are two groups of people who use a diary differently: 1. Firstly, there are those who need Diary just because they like doing so. That's they have the passion of keeping a diary. 2. Secondly, there are people who need a diary because they are supposed to have it regarding the kind of work they do or they need to do. These people outnumber those who are just interested in keeping a diary although some of these are just obliged to have and have no passion of keeping a diary. Now, the following are some kind of people who need diary in their everyday life or work life: - Storekeeper - House maid - Police officer - Nurse - Doctor - Shopkeeper - Librarian - Teacher - Secretary of any Committee - Chairman