What is a diary used for?

A diary can be used for all types of things, at school or collage you can use them to write down homework. At work you can use it to write down your next buisness meeting, or even at home writing down your children's arrangements for play dates, birthdays or upcoming events.To summarise diaries can be used everywhere anytime. Wheter it is at school/collage, home or at work. A diary is the one thing that will keep you organised.