There are two verbs in Spanish for 'to know:'
saber - to know a piece of information or 'how to' do something. Example: Mi hermano sabe conducir un auto.
conocer - to know as in: to be familiar with a person, place or thing. Example: Yo conozco a tu hermano.
¿Te conozco?
yes i do you just have to know how speeck spanish and got to write in spanish
yo no te conozco
usted no tiene que saber
¿Te conozco? or, ¿Le conozco?
yes there is I know because I just had some before
It means, "...writes and knows Spanish..." It could also mean, "...[you] know and write Spanish."
(Yo) no le conocia bien
Sé escribir un poco en español
sabe usted/sabes ingles? (formal/informal)
You can say "Yo sé, y es bueno".
Chile isn't a language. They speak Spanish in Chile.