@Bhaktavatsalam Nallanthighal, Of course, "this" refers back to the speaker nevertheless the perform is different from "I". If I say "That is mustafa", it reads as "the person who is speaking about the mobile phone is mustafa. So, this=the person who is talking to the telephone The product or service’s https://cota-o-de-conv-nios15936.blogchaat.com/36664946/fascination-about-planos-de-saúde