How is a papule described in medical terminology?

A papule in medical terminology is characterized as a small, elevated lesion that is typically dome-shaped or flat-topped and measures 0.5 cm or less in diameter. This definition aligns well with the description provided in the correct answer. The elevation of a papule sets it apart from other types of skin lesions, and the size specification ensures clarity in identification. These characteristics are crucial in dermatology, as they help healthcare professionals differentiate between various skin conditions. By understanding these defining traits, one can accurately assess and document skin findings in clinical practice.