When it comes to providing support, certain tasks or issues may require a higher level of attention. Synonyms for the phrase "priority of support" may include "level of urgency," "criticality," "importance ranking," or "order of importance." These expressions convey the idea that certain issues or tasks should be addressed first due to their severity or significance. Other terms that convey a similar meaning include "top priority," "critical support," or "emergency response." Whatever term is used, it's clear that a priority of support is essential for ensuring that critical problems are addressed in a timely and efficient manner.