In research papers, visuals should be a, carefully chosen to contribute to the document's purpose. If you want to use visual aids for your research paper, they should directly relate to the topic and be appropriate. Visual aids are important because they add more understanding to your topic. Hope this helps.
It depends if you mean the proverbial parable from the Bible it would be know but if you mean like a story to teach a lesson then yes but most likely yes :) XD
