Literature Reference: 大者为栋，小者为椽。——《左传·襄公三十一年》 The large ones are beams, the small ones are rafters. Source from 'Zuo Zhuan, Year 31 of Duke Xiang.'
栋: Pillar, the main beam. When used in personal names, it often signifies a person who is capable of bearing heavy responsibilities, denoting someone with talent and ability.
Meaning: Dong represents the main beam of a house, symbolizing a solid and reliable pillar, implying responsibility and dependability.