The term LOOK BACK UPON can be summarized as 'reviewing' or 'examining again'. It is a phrase that implies taking a second look at something, often with the intention of gaining a better understanding or appreciation. This phrase is often used when referring to a past event or experience, and it can also be used to refer to a situation that requires further analysis. In this context, it is a reminder to take a step back and consider all the facts before making a decision.