S'il vous plaît means please in French. To be informal, one would say s'il te plaît.
In English: "Please excuse me".
"Pour aller a la gare sil vous plait" means "go to the station please."
s'il vous plait means Please in french (literally if you please)
There is none.
RSVP is an abbreviation, It comes from the French term "Responde sil vous plait", meaning, please respond.
I would like a bottle of wine, please. (s'il vous plaît)
l'addition sil vous plait
l'addition sil vous plait
It basically means "coul you please bring him/her ..." something. What that something is, is left out.
Respondez sil vous plait
RSVP is French for "repondez, s'il vous plait " , literally , respond if you would please. You must respond to an invitation, yes I will attend , or no, I am not able to. You should respond either way so your host/hostess can plan the occasion accordingly.
Please reply. This is often abbreviated as RSVP on invitations, to encourage you to state if you are coming to the event or not.