To accurately depict an image there must be an orderly method to use.
Terms of reference or definition is a good place to start.
“Do no harm” is a key term when doing your ‘due diligence’.
Although, the use is often for legal reasons like business contracts, the use has been extended to common day to day decisions.
Don’t get over confident or just give lip service to this idea.
You really need to do your research to properly do your due diligence!