Answer;
Macule
Macule is the term that describes a discolored, flat skin lesion such as a freckle or flat mole that is less than 1 centimeter in diameter.
Explanation;
Macule, a flat , distinct, discolored area of skin that is less than 1 cm wide. Does not involve change in thickness or texture of the skin. When the area of discoloration is larger than 1 cm, then they are referred to as patches.