There are various problems that have evolved that are popularly cited by name Click here to see those that are in this glossary
Problems, as may be indicated in a course title, implies that the course will identify, examine, and perhaps resolve one or several problems that may actually exist, or that may be artificially created for the purpose of requiring students to experience problem identification and solution "Problems" courses are often graduate level experiences for Plan B papers, but may also be offered at a lower level to introduce students to problem-solving experiences early, or to confront students with the problems that exist in their chosen fields, or in society and the world in general The main concern is that the course should concentrate on a problem, or problems, in depth