(an existence of) significance, use, worth

meaningful, significant, useful, worthwhile

its / that / the said / such / aforementioned / the / this / same / he / she / you / that person / that thing / it / they

only; quite / one / single

Japanese cherry birch

Short for ワンクリック詐欺 (wankurikku sagi).

scam webpage whose modus operandi is claiming that the user has completed registration for a paid service

exergy

(literally, “bat fan”) a kind of folding paper fan

school swimwear