Okay, so Theodore Wint was a real person who lived a long time ago. When he died, he was buried in a special place called a grave.
A grave is a spot in the ground where a person's body is put after they die. It's like a bed for their body, but instead of a mattress and blankets, it's just dirt and maybe some rocks or flowers.
Theodore Wint's grave is special because it has some unusual things on it that make it different from other graves. For example, it has a big stone with his name on it and some other things that tell people who visit the grave some information about him.
People might visit Theodore Wint's grave because they want to pay their respects or remember him. It's a way to show that they still care about him, even though he's not alive anymore.
So basically, Theodore Wint's grave is a special place where people can go to honor and remember him after he died.