The term 'palette array' refers to a combination of HUES, paints, and colors. HUES is a four-letter word meaning the gradations of color in a particular range, while paints are six-letter words referring to substances used to create a colored layer on a surface. Colors are also six-letter words that refer to the visual perception of different wavelengths of light. Together, these three elements form a palette array, which is a combination of HUES, paints, and colors used to create a desired effect.