I would describe it in as much detail as I could, tell them the concept, and the category it belongs to.
Explanation:
They're your friend, so you'd want them to know everything about it and why you like it, right? They could end up taking interest in it and start playing it with you.
Because proper Table manners are respectful especially in a public place. And its The proper thing to do. someone’s that being respectful, makes things less awkward And more comfortable
