The name Chan Buddhism in Chinese / Japanese...

心印 is a Buddhist concept that simply stated is “appreciation of truth by meditation.”

It's a deep subject, but my understanding is that you can find truth through meditation, and once you've found the truth, you can learn to appreciate it more through further meditation. This title is not commonly used outside of the Buddhist community (your Asian friends may or may not understand it). The literal translation would be something like “the mind seal,” I've seen this term translated this way from Japanese Buddhist poetry. But apparently, the seal that is stamped deep in your mind is the truth. You just have to meditate to find it.

Soothill defines it this way: Mental impression, intuitive certainty; the mind is the Buddha-mind in all, which can seal or assure the truth; the term indicates the intuitive method of the Chan (Zen) school, which was independent of the spoken or written word.

Reference: Soothill-Hodous Dictionary of Chinese Buddhism

See Also:  Zen

菩提達摩 is the Chinese Bodhidharma.

This refers to a man commonly known as Damo, reputed as the founder of Chan (Zen) Buddhism. His original name is believed to be Bodhitara (菩提多羅).

Note: Often, the last character is written as versus .

禪悅 is a title that refers to the inner bliss and peace you can achieve from meditation.

This term transcends a few religions, including Taoism and Buddhism. It can also be translated as “joy of the mystic trance” or simply “meditative bliss.”

Amazing that such a complex idea can be expressed in just two Chinese characters. Note that the first character is Chan/Zen (Chinese/Japanese), which means “meditation” in both languages.

This encompasses the idea of meditation.

It's also a term used to describe a deep form of daydreaming, exploring one's imagination, the act of contemplating, or the idea of contemplation. 冥想 is often associated with Buddhism; however, the word “Zen” in Japanese (or “Chan” in Chinese) is probably more commonly used (or better known in the west).

See Also:  Zen

In Japanese, 無心 means innocent or without knowledge of good and evil. It literally means “without mind.”

無心 is one of the five spirits of the warrior (budo) and is often used as a Japanese martial arts tenet. Under that context, places such as the Budo Dojo define it this way: “No mind, a mind without ego. A mind like a mirror which reflects and dos not judge.” The original term was “mushin no shin,” meaning “mind of no mind.” It is a state of mind without fear, anger, or anxiety. Mushin is often described by the phrase “Mizu no Kokoro,” which means “mind like water.” The phrase is a metaphor describing the pond that clearly reflects its surroundings when calm but whose images are obscured once a pebble is dropped into its waters.

This has a good meaning in conjunction with Chan / Zen Buddhism in Japan. However, out of that context, it means mindlessness or absent-mindedness. To non-Buddhists in China, this is associated with doing something without thinking.
In Korean, this usually means indifference.

Use caution and know your audience before ordering this selection.

More info: Wikipedia: Mushin

坐禪 describes the act of sitting in a state of deep meditation.

You'll notice that the second character is Chan/Zen (often used to title the meditative form of Buddhism).

In Korean Hanja, this means “religious meditation” (roughly the same as the Chinese definition).

Buddhists may define this as sitting in dhyāna, abstract meditation, fixed abstraction, or contemplation.

Japanese note: This will make sense in Japanese but the Kanji shown to the left are partially in ancient/traditional Japanese form. Japanese Buddhists may use 坐禪, 坐禅, 座禪, or 座禅. The most standard/modern Japanese form of this word is shown to the right. Click on the Kanji to the right (instead of the button above) if you want this specifically Japanese version.

參悟 is a Chan / Zen Buddhism concept that means “to understand (mystery) from meditation” or “to see truth flash through the mind.”

參悟 is a pretty deep idea; therefore, your study and contemplation may be required before fully appreciating it.

禪宗 is one way to title “Zen Buddhism.” Because the original pronunciation of Zen in Chinese is Chan, you'll also see this expressed as Chan Buddhism.

From the Buddhist Dictionary:
The Chan, meditative or intuitional, sect is usually said to have been established in China by Bodhidharma, the twenty-eighth patriarch, who brought the tradition of the Buddha-mind from India. This sect, believing in direct enlightenment, disregarded ritual and sūtras and depended upon the inner light and personal influence for the propagation of its tenets, founding itself on the esoteric tradition supposed to have been imparted to Kāśyapa by the Buddha, who indicated his meaning by plucking a flower without further explanation. Kāśyapa smiled in apprehension and is supposed to have passed on this mystic method to the patriarchs. The successor of Bodhidharma was 慧可 Huike, and he was succeeded by 僧璨 Sengcan, 道信 Daoxin, 弘忍 Hongren, 慧能 Huineng, and 神秀 Shenxiu, the sect dividing under the two latter into the southern and northern schools: the southern school became prominent, producing 南嶽 Nanyue and 靑原 Qingyuan, the former succeeded by 馬祖 Mazu, the latter by 石頭 Shitou. From Mazu's school arose the five later schools.

First, let's correct something: The Japanese romanization for this character, “Zen” has penetrated the English language. In English, it's almost always incorrectly used for phrases like “That's so zen.” Nobody says, “That's so meditation” - right? As the title of a sect, this would be like saying, “That's so Baptist!"

禪 by itself just means “meditation.” In that context, it should not be confined to use by any one religion or sect.

Regardless of the dictionary definition, more often than not, this character is associated with Buddhism. And here is one of the main reasons:
Zen is used as the title of a branch of Mahayana Buddhism, which strongly emphasizes meditation practice.
However, it should be noted that Buddhism came from India, and “Chan Buddhism” evolved and developed in medieval China. The Chinese character “Chan” was eventually pronounced as “Zen” in Japanese. Chan Buddhists in China have much in common with Zen Buddhists in Japan.

More about the history of Zen Buddhism here.

Please also note that the Japanese Kanji character for Zen has evolved a little in Japan, and the two boxes (kou) that you see at the top of the right side of the character have been replaced by three dots with tails. The original character would still be generally understood and recognized in Japanese (it's considered an ancient version in Japan) but if you want the specifically modern Japanese version, please click on the zen Kanji to the right. Technically, there is no difference between the Tensho and Reisho versions of Zen since they are ancient character styles that existed long before Japan had a written language.

There is also an alternate/shorthand/simplified Chinese version, which has two dots or tails above the right-side radical. This version is also popular for calligraphy in China. If you want this version, just click the character to the right.

Further notes: Zen is just one of seven sects of Buddhism practiced in Japan. The others are 律 Ritsu (or Risshū), 法相 Hossō, 論 Sanron 華嚴 Kegon, 天台 Tendai, and 眞言 Shingon.

菩提達磨 is the title Bodhidharma in Chinese and Japanese.

Bodhidharma, commonly known as Damo, is reputed as the founder of the Chan (Zen) or Intuitional or Mystic School.

He likely came from south India and spread Mahayana Buddhism throughout China (even meeting the Emperor) and his disciples likely spread this all the way to Korea, Japan, and beyond in the 5th and 6th centuries.

Sometimes the last character varies in Chinese to 摩 instead of 磨 - let me know if you need a certain variation when you order.