I am assigning the selection in my image to vertex group 'Grass', but after assign, selecting gets all the faces, including the "cliffs" : r/blenderhelp
Export Vertex Groups · Issue #1232 · KhronosGroup/glTF-Blender-IO · GitHub
Vertex Weights — Blender Manual
How to use vertex groups in Blender - Artisticrender.com
Need Help With Vertex Groups in Blender | Sims 4 Studio
How to delete all vertex groups in Blender - Quora