架勢。佢一擺開個架步，就睇得出系好熟行嘅。（他一擺開架勢，就看得出是很內行的。） （專業的）技術規程；（行會或黑社會的）行規；（辦事的）程序。你唔知架步唔好亂 。（你不知道竅門兒不要亂碰。）

(noun) a personal hangout; someone's home; den; hideaway, usually referring to an illegal underground den used for activities such as gambling or prostitution(e.g. "黄色架步" or "識情架步"= a prostitution parlour); means / artifice; unspoken rules; the procedures; the line-up (its extent / scale represents the degree of importance placed on it)