Rainbow number of colour bands of a rainbow may therefore be different from the number of bands in a spectrum, especially if the droplets are particularly large or small. Therefore, the number of colours of a rainbow is variable. If, however, the word "rainbow" is used inaccurately to mean "spectrum", it is the number of main colours in the spectrum. The question of whether everyone sees seven colours in a rainbow is related to the idea of linguistic relativity. Suggestions have been made that there is universality in the way that a rainbow is perceived. However, more recent research suggests that
Rainbow nation colours, or five of the Nguni (i.e., Xhosa and Zulu) cosmology, the colours are not taken literally to represent particular cultural groups. "Rainbow nation", as a spoken metaphor for South African unity is uniquely (although not deliberately) represented by the South African flag, which sports 6 different colours. South African political commentators have been known to speculate on "rainbowism", whereby true domestic issues such as the legacy of racism, crime, and the like are glossed over and "sugar-coated" by the cover of rainbow peace. South African politician, academic, and noted poet Jeremy Cronin cautions: Rainbow nation Rainbow nation is a