Huayan kongmu zhang. The full name of this text is 华严经内章门等杂孔目章， and is usually abbreviated as KongMuzhang 孔目章. Four fascicles， T 1870.45.536c-589b， written by the second Huayan patriarch Zhiyan 智严 in his later years. The theory of '144 gates' is established and the distinction between the theories of 'small vehicle'， 'three vehicles' and 'single vehicle' are explained. This text became important for the third Huayan patriarch Fazang in establishing Huayan as a school.