10 - Anime that had the greatest impact on my life, they are unique and stand above everything else because nothing is like them. These animes may have flaws but they are untouchable in what they did right. These are masterpieces.
9 - Anime which are different, unique and are masterpieces but didn't affect my life as deeply as above anime, these anime sets standards for all animes to come.
8 - Anime which are great at what they do, they are masters of execution of a concept. Great anime in general.
7 - Good anime which caught my eye, they provide something new to think about. In general good anime with some flaws.
6 - Good anime with less creativity and lots of flaws but they are entertaining so everything is all good.
5 - Average anime with lots of pluses and minuses but they are watchable and enjoyable.
4 - These animes can be enjoyable but have lots of flaws in them, they are below average.
3 - These are bad animes their flaws outwaits their plus points, they can be enjoyed nevertheless.
2 - Screaming horrible animes which are not worth anyone's time.
1 - List of anime on which I have a personal grudge on, some of them deserves 5 - 4 score but I will not give them, someone has to balance the fanboys right?
In the end, scores don't really matter, to get what I truly think about them please read my reviews.