A personal organiser is a vital tool for keeping track of daily agenda, to-do lists, and contacts. It can also be referred to as a day planner, agenda book, or planner, as these synonyms convey the same meaning. The term diary is also often used, although it is more associated with keeping a record of personal experiences rather than planning tasks. Additionally, the term notebook can also be used to describe an electronic or physical tool for organizing and tracking essential information. Whether you call it a planner, personal organiser, journal, or notebook, it is an indispensable item for staying on top of tasks for the busy individual.