I'm not too sure but I will try. An abstract painting is a painting that isn't very clear to people or that doesn't depict a clear image (It doesn't make much sense to anyone but the person who drew it). When people remember stuff sometimes it isn't very clear, or if they try to explain it to someone else the other person doesn't understand it well, So all in all, I believe the author is trying to say that a memory is usually unclear or foreign to anyone but the person who had that memory.
I guess instead of media go to an experienced person who know democratic information. Or find a legit person through media to talk with.
Answer: he first is the longest, and the third, the shortest. The first part deals with the vindication of tribal life in Africa and the rise in power and authority of Okonkwo.
Explanation: