The assistant professor frantically prepared his tenure and promotion dossier for the personnel committee. The deadline loomed and he had several other things to accomplish – deadlines for papers and key correspondence that demanded replies. By his reckoning, he probably didn't have enough toner, paper, or computing time available to accomplish all that he had left to do. His project is unfortunately?

When we talk about "constraints," we refer to elements that limit a manager's options. This is an important concept in business management. There are several types of constraints that can exist in a project. Time-constraints are those that refer to the deadline. When these exist, it means that the person does not have enough time to complete the project. On the other hand, resource constraints means that you do not have the concrete elements that would make a project successful (staff, money, etc.). A project that is mix-constrained is one that has both problems.