Kitchen blackboard - Storage

A reminder, also called a memo or note, is a small piece of paper or document where you can write reminders, tasks to do, important information or other notes for yourself. The main goal of a reminder is to help you remember something you might forget in the future. It can be placed in a visible place or kept in a place where you are sure to find it easily.

A silly thought can serve as:

Shopping lists: Note the items you need to buy the next time you go shopping.