sentences:  There are four categories on a 2*2 matrix; horizontal is scale of payoff (or benefits), vertical is ease of implementation.By deciding where an idea falls on the pick chart four proposed project actions are provided; Possible, Implement, Challenge and Kill (thus the name PICK).Low Payoff, easy to do - Possible 
  High Payoff, easy to do - Implement 
  High Payoff, hard to do - Challenge 
  Low Payoff, hard to do - Kill 
  
  The vertical axis, representing ease of implementation would typically include some assessment of cost to implement as well.