chemistry support wanted O:)

I need a good explanation on what ionic and covalent bonds are. 

And why do certain things conduct good and others conduct worse bc I have no idea and I have tried serching up but I'm not fermiliar in the filed of high school chemistry so plz help. 

Like solids are not good conductors BUT WHY and I need a good explanation please I beg you. 

A youtube video, or like a drawing explaning it or I dont give a fuck. 

Can some smart sexy person explain why sugar solution is a bad conductor and why salt solution is a good one. And why is solid coppar sulphate a bad conductor but regular copper a good one? And why is copper sulphate solution a better conductor than the rest? plz help.