Questions & Answers about Proszę mówić krótko i jasno.
Yes — proszę has several common uses in Polish, and this is one of them.
In Proszę mówić krótko i jasno, proszę is a polite way to say please before a verb. It softens the command and makes it sound courteous.
Common meanings of proszę include:
- please → Proszę usiąść. = Please sit down.
- here you are → Proszę, kawa. = Here’s your coffee.
- go ahead / what can I do for you?
- you’re welcome in some situations
So in this sentence, proszę is functioning as a polite marker: Please speak...