if you only get to use one notecard, I would say just the source information but if you get more than one then do one or two facts or thoughts per notecard:3
Renaissance painters developed the technique of Perspective. It is a technique that depicts three dimension into a flat surface.
Answer:
John Cleese and Michael Palin where the Monty Python Members playing major roles.
Explanation:
John Cleese and Michael Palin where the Monty Python Members playing major roles. John Cleese wrote, directed, produced, and starred in the movie.