Urgent and important

These are the things that are critical to one’s life, work, and environment. One’s growth and success depend on the accomplishment of these things. 

Things that are important, but not urgent

These are things that add value to one’s life and career, but do not require immediate attention. 

Things that are urgent, but not important

These are the things that people feel compelled to do because they are pressed for time, but when you look at these things closely, these don’t add value to their current task (or sometimes, their life in general).

Things that are not urgent, and not important