Surface Shaders, Vertex and Fragment Shaders, and Standard in Unity.
Sources
Amplify Shader Editor - https://tinyurl.com/y4u78yuy
ASE Wiki - http://wiki.amplify.pt/index.php?titl...
Standard Shader - https://docs.unity3d.com/Manual/shade...
Writing Surface Shaders - https://docs.unity3d.com/Manual/SL-Su...
Writing vertex and fragment shaders - https://docs.unity3d.com/Manual/SL-Sh...