Question

incident category can be defined according to business functional priorities

Answer 1

the incident category can be defined according to business functional priorities using retractile

Answer 2

The incident's priority can be usually determined through assessing the urgency and the impact.

The urgency is the measure to determine the quickly required resolution of that Incident.

Impact is the measure of extent of an Incident and the potential damage that is caused by that Incident prior to be solved.