This is the 62nd most frequent Polish word.
sprawie
"Sprawie" means "matter," "case," or "issue" (in the dative or locative case).
In this sentence, 'sprawie' refers to a specific matter or topic being discussed.
Rozmawiamy na sprawie ważnego projektu.
We are discussing an important project's matter.
Here, 'sprawę' (a form of 'sprawie') represents a situation or issue.
Dziękuję, że wyjaśniłeś mi tę sprawę.
Thank you for clarifying this matter to me.
In this case, 'sprawie' indicates a specific domain of expertise.