the central part of a country, historically, commonly known as the capital city or the main region, where an emperor or other ruler resides / something within a country

(historical or contemporary) any of several kingdoms, empires, or states of the Chinese people

a surname

stairs used in emergencies

state of emergency (unusually difficult or dangerous situation)

three people sitting facing each other in a triangle formation

sit in a triangle with people facing each other

utility value

valuable

(Marxism, economics) surplus value