Literature Reference: 方口渥丹，浓眉刷青。—— 《赠毛仙翁》 With a square mouth, lips of deep red, and thick eyebrows painted in dark green. Source from 'Zeng Mao Xian Weng'.
方: The term "Fang" signifies rectitude. When used in personal names, "Fang" embodies the virtues of being upright, directional, and honest, symbolizing a life of stability and integrity.
口: Oral cavity, harbor.
Meaning: A square mouth symbolizes integrity and the capacity to bear great virtue.