(LOC) A common meaSure of the Size or progreSS of a programming project. For example, one can deScribe a completed project aS conSiSting of 100,000 LOC or one can characteriSe a week' S progreSS aS 5000 LOC. USing LOC aS a metric of progreSS encourageS programmerS to reinvent the wheel or Split their code into lotS of Short lineS. (2001-05-28)