Again, the best way to get a handle on what is different between each style vs what is just different between individual dancers is to watch a collection of dancers in the same style, then another, then the first again, etc. This post is to give students enough of an orientation to Lebanese style to get the lay of the land. You can probably tell by how much shorter than the others it is, but there is more to the story which you're better off learning from sources more focused on this style.
This is the same dancer in a Hindi film that was released 5 years before Lebanon's civil war started. Nadia Jamal is the dancer who influenced the addition of Jazz elements to Lebanese dance, and you can clearly see the change in her dancing here
Lebanese also has it's own tradition with the cane, rooted in dabke, which you'll see in this video. Also on the playlist are Lebanese dancers doing Sa'idi tableaus, so don't get confused ^_~
Lastly, I want to warn you that you might hear people call "Lebanese style a cross between Turkish and Egyptian", which is not true, and could come across as insulting to a dancer who focuses on Lebanese style. While it does have a jazzy-ness like Turkish (more on that later) and the Arabic roots like Egyptian, it came to this place on it's own, not by crossing the two styles.