corona
The circle of light around the sun is called a Corona. The corona can usually only be seen during a total solar eclipse. When this happens it can be seen as an irregularly shaped glow surrounding the moon.
You mean a circle of light over saint's head? It is aureole, also called 'halo' or 'glory'.
It is the traction control warning light
Brakes.
It is the tire preasure light.
The circle of light around the moon or sun is called a halo. Halos are optical phenomena caused by the refraction, reflection, and dispersion of light through ice crystals in the atmosphere. Different types of halos can form, such as 22-degree halos, sundogs, and circumzenithal arcs.
The small black circle at the front of the eyeball is called the pupil. It is an opening in the center of the iris that allows light to enter the eye and reach the retina at the back of the eye. The pupil dilates or constricts in response to changing light conditions to regulate the amount of light entering the eye.
Corona
The colored circle around the pupil is called the iris. It is the part of the eye that contains pigment, which gives the eye its color, and it plays a crucial role in regulating the size of the pupil to control the amount of light that enters the eye. The iris also helps to enhance visual acuity and depth of field.
The circle of light around the head of saints in religious pictures is called a halo or nimbus. It symbolizes holiness, divine presence, and spiritual enlightenment. Halos are commonly used in religious art to depict individuals who are considered saints or holy figures within their respective faith traditions.
The circle of light you see when you look through a microscope is called the field of view. It represents the area of the specimen that you can see through the microscope's lenses at one time.
Electronic Stability Program (ESP)