Ma'anar ƙamus na "aikin jeri" yana nufin tsari ko saitin ayyuka waɗanda ke faruwa a takamaiman tsari, tare da kammala kowane mataki kafin matsawa zuwa na gaba. A wasu kalmomi, aiki na jeri ya ƙunshi bin ƙayyadaddun jeri ko jerin matakai don cimma sakamakon da ake so. Ana amfani da wannan kalma sau da yawa a cikin mahallin shirye-shiryen kwamfuta ko wasu fannonin fasaha inda tsarin aiki ke da mahimmanci don cimma sakamakon da ake so.