The classifications are configurable in the Crucible Admin section including the Major/Minor labels and the classifications themselves. These are versioned so they can be changed without affecting older reviews.
See https://confluence.atlassian.com/display/CRUCIBLE/Customising+the+defect+classifications for more information.
In other words, you are free to define your own meaning to the default Major/Minor, and/or setup your own words that have a specific meaning in your environment.
BTW, the same applies to Classifications.
Hi Community friends, We're working on sourcing more reviews on Capterra – a popular software review site – to help teams like yours make more informed decisions when choosing an inc...
Connect with like-minded Atlassian users at free events near you!Find an event
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no Community Events near you at the moment.Host an event
You're one step closer to meeting fellow Atlassian users at your local event. Learn more about Community Events