(1). “Level Of Effort”, or in other words, how much of a pain in the processors it’s going to be to do whatever the business wants you to do to the system.
“Okay, so after further analysis, our LOE has changed a bit. We now think it’s going to take 378.4 man-days to complete this phase of the project. So, based on that, we’re going to need to allocate 25.6 man-boys to this effort.”