Originally Posted by yimke

Touche' it is not a reference listed in the PTS, but examiners will ask what common carriage is. What is private carriage? What is holding out? The only references the FAA lists are FAR 61, 43, 91, PHAK and AFH. So with the limited references the PTS gives you; it makes it a little difficult to explain without tapping into FAR part 1 , 119, 121, and 135. Also the AC helps explain some of those terms as examples.