projection depends on what structures or which region you want to see
posterio-anterior (P-A)
lateral
selective, Schueller’s view (TMJ, head of mandibule, Cittelle’a angle, int. Mastoidal cells)
axial ( foramen ovale, foramen spinosum, palatine process, pterygoid fossa, lateral and medial pterygoid plate, vomer/nasal septum, ramus of mandibule, condylar process, alveolar process of maxillary bone, sphenoidal sinus, clivus, fossa infratemporalis occipital condyle, atlas, posterior and anterir arch, dens of axis, maxillary sinus)
Town’e view of the skull (occipital foramen,occipital bone)
Water’s view (frontal sinus, maxillary sinus, ethmoidal labyrinth)