Answer:
1. Main claim.
2.The evidence
3.The conclusions
Explanation:
The main claim is the thesis of the whole argument, for example if you say that videogames do not have something to do with violence in teenagers, that is your main thesis, the majority of the piece that supports the thesis is evidence and you could use studies of how the majority of kids that play video games do not have conduct problems at school, finally the conclusions should convice the audience by providing the audience with a little summary of the facts and data that support your thesis.