What exactly happens when you send a Merry Xmas message to your friend's phone

The HTTP(s) request journey is much more complicated than how the Xmas gift is being shipped.

The story

Last week one of my friends asked me, “Xmas is coming, and I have to buy a gift for my friend in the US.”

“Just send them some messages or video clips”. I said.

“No we exchange gifts every year. It’s not as simple as sending messages or video clips”. He said.