level of effort ("loe")
Support type activity (e.g. vendor or customer liaison) that does not readily lend itself to measurement of discrete accomplishment. It is generally characterized by a uniform rate of activity over a specific period of time.
Work that does not result in a final product (such as liaison, coordination, follow-up, or other support activities) and which cannot be effectively associated with a definable end product process result. Level of effort is measured only in terms of resources actually consumed within a given time period.