A hand-held organizer is a device that can help you keep track of your day-to-day activities, schedules, and important events. It is a portable electronic device that is used for various purposes like note-taking, scheduling, and even communication. This gadget is also known as a personal digital assistant or PDA. Other synonyms for a hand-held organizer are electronic organizer, pocket computer, pocket organizer, or digital diary. These terms can be used interchangeably to refer to a device that is used to manage one's daily activities and appointments. It is an indispensable tool for people who are always on-the-go and need to stay organized.