Minute (min)
Definition: A minute is a unit of time equal to 60 seconds.
History/origin: The minute comes from the ancient sexagesimal time system inherited from Babylonian mathematics and later used in astronomy and civil timekeeping.
Current use: Minutes are used everywhere for schedules, durations, cooking, transport times, and appointments.
Week (wk)
Definition: The week is a calendar interval of seven days, commonly used to group work, school, religious, and planning cycles.
History/origin: Seven-day cycles spread through ancient religious, astronomical, and civic traditions before becoming embedded in modern international calendars.
Current use: Wk is common in work schedules, class plans, sprint planning, pregnancy tracking, subscriptions, recurring chores, rent cycles, and short-term goals.