One of the tasks you have as an analyzer of the situation, is to get a grip on the relevant criteria. This is no doubt useful for determining and describing problems. However, all criteria are based on value . Therefore, we can begin to brainstorm potential criteria by listing types of value. Since we are problem solving creatures, we generally operate with some approximation of these value domains in mind.
Absolute measures yield perfect answers.
There is no doubt or equivocation. The judgment is complete. Relative measures place the judgment in a context of variable merit. The item is more or less something, relative to other things. If you think in terms of scales or continuums, or using the comparative degrees in adjectives, then you are dealing in a relative measure.