I was taught that you serve a plate on the left, remove from the right. The correct moves are only a bit more nuanced.
At that same site, information that very few of us can use: What is the difference between Private Chefs and Personal Chefs?
Actually, at the Maggie's HQ we are fortunate to have several Personal Chefs. Among them, Thai take-out, Costco rotisserie chicken, Subway, etc. Nobody has time to cook at home more than once or twice a week these days. In olden times, at-home Moms and wives used to plan and cook dinner every night. Not so many at-home Moms these days.
My Mom used to. And she always had a cocktail ready for Dad when he got home. Usually a Gin and Tonic. After supper, we kids would do the clean up and Dad would go outside to gaze at the stars and ponder man and God and law with a beer and a smoke.
Times have changed, but not for the better. I do the cooking at least once a week, specializing in red meat and general outdoor grilling. I can also make a heck of an omelette, and lots of other things. Nevertheless, home-cookin is a form of love