【计】 predeclared identifier
beforehand; in advance; pre-requisite; ready; up front
【经】 in advance; in anticipant
explain; narrate; account for; illustrate; make out; say; show; specify; state
directions; explanation
【计】 DCL; declaration; elucidata; explanatory notes
【化】 specification; specify
【经】 explanation; explanatory note; justification
【计】 ID; identifier