"Aureoles" can refer to different concepts depending on the context:

1. Astronomy: An aureole is a bright ring or halo that appears around a celestial body, such as the sun or moon, caused by the refraction and reflection of light in the atmosphere. Common examples include solar and lunar halos.

2. Biology: In anatomy, an aureole is the area of colored skin surrounding the nipple on the human breast.

3. Art and Religion: In religious art, an aureole is often depicted as a radiant circle or disk surrounding the head or body of a holy figure, symbolizing divinity, holiness, or sanctity.