There are currently 4 names in this directory beginning with the letter D.
Degrees of Freedom
Refers to the number of basic ways an object or user can move in a 3D space. 3 DoF refers to the rotational movement around the x, y and z axes, such as looking left/right, rotating head up/down or turning left/right commonly termed pitch, yaw and roll. 6 DoF adds translational movements along the x, y and z axes, such as moving forward/backward, left/right and up/down.