This category contains a large variety of nodes intended for multiple uses. These nodes are mainly intended for a single channel input and perform a fairly advanced effect or modification as output.
A large group of nodes is intended for processing, generating and modifying Baked maps, such as Normalmap or AO and Curvature. Examples are:
Another group of nodes is intended for layer shape effect or "Layer Styles", as seen in other popular image editing software. Examples are: