macula

definition: a patch of skin that is discolored but not usually elevated
example:
speech part: noun
synonyms: macule
definition: a small yellowish central area of the retina that is rich in cones and that mediates clear detailed vision
example:
speech part: noun
synonyms: macula lutea macular area yellow spot
definition: a cooler darker spot appearing periodically on the sun's photosphere
example:
speech part: noun
synonyms: sunspot

How macula is being used?