1. Preposition:
* "to" in the sense of direction or destination: *Idę do sklepu* (I'm going to the store).
* "to" indicating a point in time: *Przyjdę do ciebie o 6* (I'll come to you at 6).
* "to" meaning "until": *Czekaj do jutra* (Wait until tomorrow).
* "to" indicating a recipient: *Daj to do mnie* (Give that to me).
2. Part of a verb:
* "to" as an infinitive marker: *Chcę to zrobić* (I want to do that).
3. Pronoun:
* "it" as a neutral pronoun: *Nie wiem to* (I don't know it).
4. Adverb:
* "then": *Zrobił to i poszedł* (He did it and left).
To understand the meaning of "to" in a specific sentence, you need to consider the context and the surrounding words.
Please provide me with a sentence containing "to" and I can tell you exactly what it means.