a carriage return (The action on a typewriter or printer that returns it to the beginning of the line)

a line feed (On a typewriter, the action of the carriage roller to push the page up one or more lines, often simultaneously with executing a carriage return)

(Internet slang) Used to represent the sound of unusually heavy breathing, usually while in an aroused state. May carry connotations of sniffing.

(Internet slang)

substitution, substitute / substitute, deputy, proxy / compensation, exchange / second helping, refill

substitute, replacement

message / statement / speech

write; record (words, figures) on the surface of (something) / compose; put (an idea, etc) into words

conjunctive form of 書く

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend