Priority ranking is a term used to describe the order in which tasks are ranked based on their level of importance. However, there are several other synonyms that can be used in place of priority ranking. Some alternatives include importance rating, task hierarchy, urgency hierarchy, critical ranking, and order of importance. These terms are all used to describe the prioritization of tasks in order to focus on the most important ones first. Ultimately, whichever term you use, the goal is to ensure that tasks are completed in the most efficient and effective manner possible.