Short for コメント欄 (komento-ran, “(Internet slang) comments section”).

(Internet slang) first comment; (interjection) first!

use; effect; means

for the use of, for the purpose of, in case of

bread, pastries, any baked good with a crust (a type of food)

(Greek mythology) Pan / (astronomy) Pan

to pan (to turn a camera horizontally)

a pan (flat vessel used for cooking) / a pan shot (a film shot where the camera is turned horizontally)

substitute / alternate / representative / generation

(archaic) substitution / (archaic) price, cost, charge / (historical) shiro, a unit of land