FFX Geometry Explainer is an assistive HDA for Educators, and DIY learners. As a beginner, have you struggled with understanding how Vertex, Point, Primitive, Detail, UV Seam, Edges, Half-Edges, Normals, Normal winding, and Shared/Unshared points relate in Houdini? This HDA should help.

Gumroad: https://davidtorno.gumroad.com/l/geometryexplainer [davidtorno.gumroad.com]

For Educators, there is an unlocked option, so you can dive into the tool build and customize it to your specific needs if you like.

For learners, there's a cheaper basic version that is locked, but has all the same learning info.