We know several books about a subject. If the subject is a human, the book can be called as biography if it’s written by other people. Or autobiography if it’s written by its subject. If the subject is not about a human, the book can be called as handbook.
We also know a book that called as a diary. It contains a life journey of someone that written from day to day and it contain of confide. In internet era, we may make a blog that contains our life journey.
So, maybe with writing a diary, we can get to know ourselves much better. It can be useful to fix our mistakes, improve our attitudes and diminish our lack.
Journal is not only used in common life. But, it’s also used in accounting. It’s well known as journal book. It contains financial transactions that happened from day to day.
A biography is important to get to know well about a figure that discussed in that book. Especially if we admire that figure.
A handbook is also very important to learn about the subject that discussed in that book. A handbook may be so detailed until the writer dare to give the title of the book as “Mastering ( a certain subject )”. The writer assumed that by reading the book, someone can mastering the subject that discussed in the book.
In university, a student before graduated must write a paper or a thesis about something. After that the student must defend the paper in front of examiners. By doing this, it’s assumed that the student had mastered the subject of the paper that related to the major he took and proper to graduate.