Multiple: Describing a system whose headmates are distinct from each other. In some cases this may go hand in hand with certain communication or memory problems, but this isn’t always the case
Blue and green were chosen as “opposites” to the median flag. Median is a diverse enough experience that multiple isn’t necessarily its opposite, but the two terms do have somewhat of a dichotomy together
A 5 striped flag, with all the stripes vertical. The leftmost and rightmost stripes are blue, with the large center stripe being green. Between them are thin white stripes (or transparency, for the transparent version)