An example of a career is that of a geologist. It involves studying the earth in all its manifestations right from the study of the 3 main rock types, of ore deposits, of oil and gas deposits, of fossils and minerals, of the earth's structure, its' landforms, etc. The types of work it involves are such as mineral exploration geologist, mine geologist, geotechnical engineer, paleontologist, petroleum geologist, structural geologist to name some of the types of work.
The purpose is so you can accolmplish your goal
