Sure, end-to-end encryption means that whether it's a phone call we're on or an email message we're sending or any form of electronic communication, that the content of that communication is encrypted from your device, such as your phone or PC, unto the other person's device at the other side, wherever they might be on the planet Earth.
People really want to think that these things really happened. I don't know why that is important, but I know that when I finish reading a novel or something, I want to know how much of that really happened to this author.