帮忙点出if和whether whatever和no matter what的用法上最大区别

I don't know whether Jack will join in the party or not
有了or not在用whether不会错
Whatever you do is none of my business
No matter what you say, I won't stop doing that.
whatever可以引导主语从句
No matter what不能引导主语从句，引导壮语从句