The word "绘图" is formed by combining the character "绘", meaning to draw, which itself is composed of the silk radical (纟) implying detailed work and the phonetic component "会" indicating pronunciation, with the character "图", meaning diagram or picture, which is composed of the enclosure radical (囗) suggesting a defined area and an internal component. Together, they create a compound where "绘" denotes the action of drawing and "图" denotes the resulting image, thus conveying the meaning of drawing or charting.