Critical reading is a when you are able to infer, deduce, interpret a passage by putting together the thought: what does this passage wants me to understand? What is the reason for the passage? How are the sentences and/or pictures working together?
To better understand how you can understand passages critically, it is important to learn some techniques.
I came across this video showing techniques used in propaganda.
There is a lot of propaganda on TV, newspapers, books, magazines, moth-to-mouth. every single propaganda has a purpose to it.
Examples of fallacies