-We use the word "appointment" to refer to a scheduled appointment or meeting (medical appointments, professional appointments, business appointments, hair or beauty salon appointments, among others).

-The word "data" is used to refer to information or data in general (Science and academia, technology and computing, research).

-The word "date" is used in various situations depending on the context (Romantic dates, dates and calendars, temporary identification, setting a date).

-We use the word "meeting" when referring to a scheduled meeting or gathering between two or more people (Business meetings, formal meetings, academic meetings, social gatherings).