figure: a unitary percept having structure and coherence that is the object of attention and that stands out against a ground
representation: a presentation to the mind in the form of an idea or image
metoprolol: beta blocker (trade name Lopressor) used in treating hypertension and angina and arrhythmia and acute myocardial infarction; has adverse side effects (depression and exacerbation of congestive heart failure etc.)