Literature Reference: 出入朱门家，华屋刻蛟螭。—— 《奉送魏六丈佑少府之交广》 Coming in and out of the vermilion doors, the splendid house is adorned with carved dragons. Source from 'Fengsong Wei Liuzhang You Shaofu Zhi Jiaoguang'.
朱: Vermilion, a deep red hue; the name of a mineral; an ancient geographical location; and a surname.
门: Method, knack.
Meaning: Vermilion doors symbolize wealth and prominence, often referring to the residences of the powerful and noble.