Simple Definition:

E.g. is an abbreviation that stands for “exempli gratia,” which means “for example” in Latin. It is used to introduce examples when clarifying or illustrating a point.

For example, “I enjoy outdoor activities, such as hiking, camping, and biking.”

Very Simple Definition:

E.g. means “for example.” It is used to show specific examples or instances of something.

For example, “I have many hobbies, e.g., playing soccer, painting, and cooking.”