A. In short, yes. While there are some techniques specific to each discipline, there are also huge areas of overlap, for instance in the rendering process: the Rocks rendering brush can also be used to render flowers and leaves commonly found in illumination, as well as hair and beards found in miniatures; there is also a dedicated brush for the minute and delicate flourishes found in both Medieval European and Islamic illumination traditions: the Clouds Brush: Illumination.