set of problems

any of various writing systems claimed to predate Japan's adoption of Chinese characters and perpetuated by feudal scholars, but widely discredited by modern scholars

Korean Empire

(historical) a daimyo who became hereditary vassals of the Tokugawa just before or after the Battle of Sekigahara

setting idle chatter aside and returning to the main topic

a Classical Japanese adjective with シク活用 (shiku-katsuyō, “shiku-inflection”)

the best or top person, such as the best performer in a company, or a leading expert

the five continents (Asia, Europe, Africa, Australia and Americas)

dynamic

(astronomy) Great Red Spot