The purpose of the lectures is to introduce you to a theme. To highlight what are the problematics and what are the important concepts and principes that are in play. Based on the lecture, it should be easier for you to handle the course literature. You then know what is important and should be studied in detail and what is "just" providing context and "only" has to be read or browsed.
The learning goals for the lectures are, that you:
The specific learning goals for each theme you can find on one of the first lecture slides and on the flyers for the theme.