Wondering about AI traffic...

I am ok with adding new aircraft, repaints, scenery, stuff like that- But, the default AI traffic is getting a little boring. I am tired of seeing the same old planes and liveries.
Can someone please tell me what this whole TrafficTools is about and/or what else u can do to add to/modify the default AI Traffic? Also, I have seen add-ons that say "great for AI traffic"- whats that mean?
Please help- lol
Can someone please tell me what this whole TrafficTools is about and/or what else u can do to add to/modify the default AI Traffic? Also, I have seen add-ons that say "great for AI traffic"- whats that mean?

Please help- lol