A pocket notebook is a small and handy stationery item that can fit in one's pocket. There are multiple synonyms for pocket notebook, including notepad, jotter, memo pad, scratch pad, scratch book, and pocket diary. Each of these synonyms has its unique features; a notepad is usually more extensive than a pocket notebook, whereas a jotter is a pad that is small, thin, and easy to carry. A memo pad is used for writing short memos, while a scratchpad is used for quick notes. By using a variety of synonyms for pocket notebook, one can choose the perfect item for their needs and preferences.