@Bhaktavatsalam Nallanthighal, Indeed, "this" refers back to the speaker but the operate differs from "I". If I say "This is mustafa", it reads as "the one who is conversing within the mobile phone is mustafa. So, this=the one who is talking on the mobile phone The reports and profits dashboard https://telemedicina28158.blogaritma.com/34687037/the-5-second-trick-for-clínicas-odontológicas