What are blend shapes?

UVBlendShape Deformer Creates Topology Independent Blend Shapes

Blend Shapes Tutorial — CS22/122: Intro to 3D Modeling

What is the difference between 'morph' and 'blend shape' in the 3D software Blender? - Quora

How to simplify blend shape creation in Maya

What is the difference between 'morph' and 'blend shape' in the 3D software Blender? - Quora

Maya User's Guide: What are cluster deformers?

Chapter 3. DirectX 10 Blend Shapes: Breaking the

Maya blend shape tutorial (blendshapes)

Blend Shapes Tutorial — CS22/122: Intro to 3D Modeling

Blendshape Facial Animation