1.Stab is Same Type Attack Boost
2.Coverage is how well you pokemon can do against the other 16/15 types(15 being for dual type pokemon)
3.Uber is a tier, each pokemon is sorted into tiers seen here
4.Evs are Effort Values which raise you pokemon stats you can find guides on how to ev train all over the internet here is just one
5.You cant ask for movesets because we already have a moveset question for most if not all pokemon
and how to use them in answers depend on the question nobody can tell you how to answer questions.