The following terms are used to define where retouch is found, or to indicate the position of the retouch, with regard to the surfaces of a flake, blade or microblade: these are direct retouch position, inverse retouch position, alternate retouch position, alternating retouch position, bifacial retouch position and invasive retouch position. These terms are used by Tixier 1974, 14, 15, 3, 4 and 21) Tixier, Inizan and Roche 1980, fig.41 and p. 87, 100) and Brézillon 1977, fig. 20 and p.110-111). Another set of terms are used to describe the type, morphology and technology of retouch.
see retouch types