居合道 is the Japanese Kanji title for the martial art of Iaidō, which emphasizes the smooth and elegant draw of the sword from its scabbard.

These same characters are used in Chinese and old Korean but not with the same meaning as read in Japanese. Therefore, this should be considered a “Japanese only” title.

無双直伝英信流 is the modern way to write the Japanese martial arts term, Musō Jikiden Eishin-Ryū (iaido style).

Sometimes the second Kanji is written as 雙, and the fourth Kanji is written 傳, making the full title 無雙直傳英信流. See the other version of this title if you want that traditional version.

不動心館 can be translated as “Fudoshinkan,” or “Immovable Mind Hall.”

Fudoshinkan (不動心館) refers to various Japanese martial arts schools, primarily focusing on Aikido, Iaido (sword art), and Jodo (short staff), emphasizing the concept of Fudoshin (不動心) – a calm, immovable mind in the face of challenge, reflecting traditional samurai spirit through dynamic training and inner peace

Immovable mind; unwavering composure. Hall/school (as in -kan / -gwan).

無雙直傳英信流 is the traditional or old way to write the Japanese martial arts title, Musō Jikiden Eishin-Ryū (iaido style).

In modern Japanese, the second and fourth Kanji are different, making them 無双直伝英信流.

Musō Jikiden Eishin-Ryū is arguably the most renowned Japanese sword art school, with a history dating back to the early 1600s.