personal organizer
noun [ C ] uk/ˌpɜː.sən.əl ˈɔː.ɡən.aɪ.zər/ us/ˌpɝː.sən.əl ˈɔːr.ɡən.aɪ.zɚ/
个人记事本;电子记事簿
a small book or electronic device in which information is stored, such as names, addresses, phone numbers, and dates of meetings, used to help organize your time
Compare: personal digital assistantPDA (COMPUTER)