During the Edo period, which lasted from the 17th to the mid-19th century, Japan was ruled by the Tokugawa shogunate and experienced a period of peace and stability.

The electronic dictionary, invented in the 1980s, has made language learning and translation more convenient and accessible.

Yokohama is Japan's second-largest city and a major port city located south of Tokyo, with a population of over 3.7 million people.