Flock - consist of 2-4 packs. Not all members of a Flock is a werewolf.

littermate - a wolf from the same litter as oneself.

Omega - lowest rank among the Wolves.

Beta - the 2nd highest rank in a pack.

pack - a group of Wolves, usually consist of 20-40 wolves and their family.

Alpha - highest rank in each pack.

litter - a group of wolves, about the same age, who are close like siblings.

pup - a werewolf who's not yet turned 20 years.

Wolf's Bane - Aconitum napellus. Also known as Queen of all poison. A plant that's poisonous, even to humans.

Den - the Area where the highest ranked wolves live. I.e. Hapjeong-dong (1,71 km²/0,66 sq mi) is the Den of the Mapo flock, which covers Mapo-gu, Eunpyong-gu and Seodaemun-gu (approximately 71,18 km²/27,52 sq mi).

Lone Wolf - a wolf without a pack. Often a shabby, famished looking wolf.

Royal vampire - the highest rank of vampires

the Eldest - consist of the litter of the last Prima alpha

yearling(s) - wolves who had their first Shift less than a year before, meaining they're 15-16 years old.

prima (alpha) - the Alpha of alphas. Every Flock has only one. They are identified by their green eyes

Moon dinner - A dinner held at new moon, similar to Christmas or Easter.

Hapjeong-dong - A neighborhood in Mapo, Seoul. This is where the Mapo flock's Den is located. In real life, it's here YG Ent.(Bigbang's record label) is located.

Manim - the wife of an prima alpha

Nanja - the unmarried daugter(s) of an alfa

This is the last terminology I'll post, at least in this way. From chapter 15 and onwards I'll post the explanations at the bottom of the chapter.