I personally think its C but you do you :P
It is where you draw an outline of your character and use it to write information on them (I.e facts, what they say about other characters, what characters say about them) it helps to build characterisation.
Some of these vessels have a cup-shaped cover over the mouth, so that they seemed to be used to store high quality wine such as insamju (인삼주, ginseng wine) or maehwaju (매화주; rice wine made with plum)[6] It would have originally had a lid and there are many maebyong with ginseng leaves on the surfaces.[7]
