What is a torsion in phyllum?

Area between your nose and your top lip.

tor·sion n. 1. The act of twisting or turning. 2. The condition of being twisted or turned. 2. The stress or deformation caused when one end of an object is twisted in one direction and the other...

A phylum is a level of species categorization (a taxonomic level) which is below the kingdom level and above the class level. Many biologists now feel that the taxonomic system is obsolete, however,...

Yes, it has a force and direction.