Meanings

flat paper

the great municipal mergers of the Heisei era

flat brush

Great Pacific garbage patch

salt flat

level-tone rhyme (of Chinese)

free and open Indo-Pacific

gender equality

dollar-cost averaging

Heisei Kenkyūkai (faction of the Liberal Democratic Party)

equality for the four classes (early Meiji-period slogan)

single-level parking lot

non-executive director

non-executive director

average audience rating

peaceful overthrow of Chinese communism (alleged Western strategy)

weekly average

peace organization

normal operation (of a train service, bus service, etc.)

fairness