What type of language is that
Explanation:
The term "RSVP" comes from the French expression répondez s'il vous plaît, meaning "please respond." If RSVP is written on an invitation, it means the host has requested that the guest respond to say if they plan to attend the party.
Answer: BTW, I don't completely understand how this is a question... But don't worry Duolingo can be really helpful! (sometimes...)
Answer:
A theory explains how to make public relations most effective for organizations and society. Theories predict the way things work or happen. They provide an understanding of the relationship between actions and events.