drabble : less than 500 words
ficlet : 500 to 1,000 words
vignette : 1k to 10k words, single part
short story : 1k to 10k words, multiple parts
novella : 10,000 to 50,000 words
novel : 50,000 to 100,000 words
epic : over 100,000 words

B5 : Babylon 5
BtVS : Buffy the Vampire Slayer
FB : Fruits Basket
HP : Harry Potter
IY : Inuyasha
LotR : Lord of the Rings
PotC : Pirates of the Caribbean
SC : Samurai Champloo
SGA : Stargate Atlantis