1. MACULE : Macule is a change in normal skin color. It is flat and cannot be appreciated by touch with your eyes closed. 2. PATCH: Patch is a macule which is of diameter more than 1 cm. 3. PAPULE: Papule is a raised skin lesion with distinct borders. It may be of different shapes but less than 1 cm in size. 4.NODULE: Nodule is a raised skin lesion with distinct borders. It is of size more than 1 cm. 5. MACULOPAPULAR RASH: It is a kind of skin rash with both the skin color change and raised skin lesion. 6. PLAQUE: Plaque is a solid, raised and flat-topped skin lesion greater than 1 cm in diameter. 7. VESICLE: Vesicle is a raised skin lesion of size less than 1 cm in diameter. It is filled with clear fluid. 8. PUSTULE: Pustule is a raised skin lesion filled with pus. 9. BULLA: Bulla is a circumscribed skin lesion more than 1 cm in diameter filled with fluid. 10. WHEAL: Wheal is an edema of upper epidermis. Seen in allergic skin reactions. 11. BURROW: Burrow is a linear lesion produced by infestation of skin. 12. TELANGIECTASIA: It is a permanent dilatation of superficial blood vessels in skin.