Such arrangements are usually reserved for advanced undergraduates and graduate students. They generally involve a great deal of reading or work in a laboratory but allow you to focus on a topic of particular interest to you. Seminars are often associated with undergraduate honors courses or graduate study. Seminar courses usually enroll fewer than 20 students. They often cover specialized topics and involve discussions and presentations by the students under the supervision of the professor.
Some smaller colleges offer many undergraduate courses in the form of seminars.
Internships are practical work or training experiences that allow students to apply in a work situation what they have learned in class.