Planting a naysayer means: bring any argument that disagree with your own opinion and goes against it. explain why you think and stick with your own.
Clarify metacommentary: telling the audience how to interpret your argument. in other words "it is a way of commenting on your claims and telling others how
and how not to think about them.
finally combine academic language with everyday language: dont make the essay too formal and use hard vocabs. use some everyday examples and language to make
it fun to read.