Tiao-kuai
The tiao-kuai system (Chinese: 条块; pinyin: tiáo-kuài; lit. 'branch and lump'), also known as tiaotiao-kuaikuai (Chinese: 条条块块; pinyin: tiáotiáo-kuàikuài), forms the matrix of vertical (tiao) and horizontal (kuai) authority in the People's Republic of China.