Any idea what these blueprint functions related to Grid pathing do or how to use them?

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Looks like a few different options to create grids and even set up grid navigation.
I’m currently using the ‘2D grid execution Macro’ that i seen a post about awhile back to create simple grids with instanced static meshes, but these functions seem like they could solve my pathfinding issues. I can’t find any clear documentation on any of them.