That means "Good Day!" in the Lakota language,
. . . but you already knew that, cuz you are a kid and therefore totally cool and all knowing!
This page (and many to follow) are just for KIDS! NO GROWN-UPS ALLOWED!
We are going to have sooooo much fun traveling around this great big beautiful planet someone named Earth.
Anyone know why? Me neither, but we're going to find out!