1. Direct real harmful impact if not done -> drop everything and do it
	- Customer lost data, server.
	- Family member in trouble
	- [[Nala]] is sick and need care
2. Important needed to be done today -> start working on it asap
	- Surprise deadline, blocking work   
	- Might turn into a no. 1 if left unattended    
	- Important show stopper  
3. Important needed to advance -> schedule it to be done
	- Could block a project  
	- Needed to advance other project
	- Can be pushed for a couple days
4. Nice to have -> try to scheduling it before it grow higher
	- If I have time left
	- Will become needed later
	- Might be done in a couple day or week without impact
