You use saber to describe a fact, information, or how to do something.
And you use conocer to say that you are familiar with something either a person, place, or thing.
Basically saber means to know of something, and conocer means to be familiar with someting.
If it has a correct gender specific noun. If its singular or plural. Irregular verbs. The fact there is two different verbs. Past tense or current. Verb of change. Spanish prepositions. Direct and indirect pronouns. The word gustar.
