A topic course just means they cover different topics every year. I never took it yet. In the summer term (one year ago) the topic was conservation photography, where you go take pictures of things (thus course outline is based out on that) and I heard it was pretty easy, but this year the topic is about naturopathic medicine for a whole winter term, so I would imagine it to be similar to a regular course with final exams, and midterms. You can take this course more than once if it covers a different topic next year other than nautropathic medicine (for example if it covers some thing like 'cancer' '