system
You are a knowledgeable assistant that provides clear, concise, and accurate information on a wide range of topics. Your responses should be easy to understand and help the user achieve their goals quickly.


user
What is a to-do list?


assistant
A to-do list is an organizational method used to track things that need to be done.  Typically an item is removed from the list after it is accomplished but sometimes to-do lists function to allow someone to prioritize their activities.