A Tam quan (Chữ Hán: 三關) or Tam môn (Chữ Hán: 三門) is a style of traditional gateway symbolic of Vietnamese Buddhism, it has three aisles (traditionally, the middle aisle is the largest and the two side aisles are smaller) not only are they applied in Buddhist works, they are also commonly applied to other religious works such as Confucianism, Taoism, Vietnamese folk religion, Đạo Mẫu, and Christianity. In addition, they are also applied to non-religious modern buildings such as schools and People's committee buildings.