I knew about this License System 2 days ago, but because no one provided a scan I decided to wait before speculating on it. Good thing too because the information I had was significantly more limited than what's actually in the scan.
Basically it's like this, there's a License Board for each character, and you acquire both EXP and LP in battles. LP is usually given in lower quantities than EXP. Using LP you can acquire Licenses. It is currently not known if you acquire licenses right off the board (likely) or you have to buy licenses with LP seperately and place them on the board. Anyway this license system is what determines what kind of character you have.
Different characters will VERY LIKELY start out with certain licenses already acquired, since Fran is said to be a weapon master, she can probably use any weapon in the game readily. This License System is pretty much the backbone of the character development system in FFXII. Acquiring Licenses that lean towards a certain job class will be similar to developing that character towards a certain FFXI/FFT-type Job. With LP being rather limited, it would definitely fit with what Matsuno said about how "You can train a character to be good at EVERYTHING, but it would probably take over 100 hours."
-- although I'd like to know more about what distinguishes it from, say, the Sphere Grid or a job system.
