Information needed in a reminder

We're well on the way to know how to set a time and date for the reminder notification to occur, and we will be able to sort the reminders based on the distance from where we are. However, what exact information do we need in the reminder itself?

If this were a birthday reminder app, you would just need to ask for the person's name and the date of their birthday. If it were a shopping list app, you would need the name of the item and maybe the quantity. For a timer, you would need to ask what the event is called and would need to set a time for the event.

Here though, we're trying to make a completely flexible reminder app; it would be up to the user to describe the item in whatever manner they wish. So, we'll just ask for a title and a brief description. We will also need to offer the option of setting a date, time, an associated location, and whether an alert sound should be played.

Another thing to think about is; where will we store the information for the...