attaches to a name referencing an older brother figure: Mister, Mr.

(archaic) the eldest sibling

(archaic) eldest son / (archaic) a senior / (archaic) (by extension) an elder sibling / (archaic) the head of a clan / (archaic) a skilled craftsman

(chiefly women's speech) first person singular pronoun: I, me

Short for 競技プログラミング (“competitive programming”).

瓜: gourd, squash, melon / 売り: appeal, appealingness; (finance) buy order

売り値: selling price

売り場: place where things are sold, point of sale, counter (in a shop)

something that is sold / specialty; selling point

buying and selling; commerce