Hello ; what is the meaning of house warming ?? - R.S.V.P is a french abbreviation . What is the full expression in French ? Why do you think the English use

Hello , - HOUSE WARMING is a party celebrated when someone moved to a new houme . - R.S.V.P is " répondez s'il vous plaît . I think that the English use this abbreviation to make the letters more polite !!

r.s.v.p is thé abréviation to répondez s'il vous plait
and yes i do think that they use it