Until I made up this comparison and separated girls into A and B class, I was having a few problems categorizing women. First, you can never know what
kind of girl someone is talking about with a number on the Personal Looks Rating Scale. All guys rate girls differently
even if we use the same scale (which is why I created the Objective Looks Scale. See
Glossary). Two, I find myself always talking to one type of girl, but before the A and B-class categorization, they were all kind of lumped together and judged on facial beauty alone. This really helps put things into perspective. Three, you can learn so much about a girl, or her friends, simply by placing her in a class. Four, the term "gyaru" is has too many interpretations. So, here is my simplification.
The A-class consists mainly of girls dressing similar to one conforming to a specific
kei, or decided fashion style. This includes any member of the following kei: one-kei, mamba, gyaru, surf-kei, B-kei, lolita-kei, goth/loli-kei, celeb/B-kei, celeb/gyaru-kei, one-gyaru, amongst others. The following are often indicators of girls in the A-class: dyed hair, short skirts or shorts, white makeup around eyes, glitter, hair-extensions, fake eyelashes, suntans, sunglasses, cleavage, showing skin, color clothing, Stitch, Pooh, or Marie apparel, in her teens, dropped out of school, highly accessorized, piercings, amongst many more. The more of these a girl has, the more likely she is to closely relate to a decided kei, and is therefore more likely to be in the A-class.
The B-class includes everyone who is not in the A-class. This would include normal girls, OLs, or anyone fitting into "casual-kei." Here are some characteristics: black or dark brown hair, jeans, slacks, long shorts or long skirts, jobs, lighter skin, parasols, generally older than A-class, educated, and so on. (Note: A & B were chosen for simplicity, neither is being classified as more desirable than the other.)
A/B-class: this group includes girls who have too many of both class's characteristics to be in either class. They are in the gray (or in this case, purple) area.

Preferences: Some men might desire a girl from the A-class more often than girls from the B-class, and vice-versa. It's a personal preference. Even if someone is really into the A-class style girl, he will almost always be interested in a cute B-class girl, but not as much as her A-class twin sister. Or, someone might think a girl's beautiful, but be turned off by her outrageous A-class fashion sense. There will be different levels of discrepancy regarding a raw beauty vs. class (style): sometimes style will be important whereas sometimes raw beauty is important.
And the charts. Naturally there are many more members in the B-class, so its box is larger. If someone likes A-class girls, the girl he desires most, will usually be an A-class girl, and the same holds true for he who likes the more casual B-class, therefore, that particular class is higher. And, for he who cares nothing about fashion but sees only Raw Beauty, see the following chart:

Next is a chart for someone who is largely attracted to A-class girls. See how a girl has to be physically cuter to be "average."

So what do we learn? That we can hunt a girl from behind without seeing her face and 9/10 times be satisfied with our target. That I know what to expect when a girl brings a friend, because the friend is also likely A-class. He who thinks information like this can't help him has not reached his full potential with women