There are many variations on the basic design of rebus monograms – only one character from the name may be used, the pronunciation need not correspond to an actual name, other typographical symbols can be used (like
〆, ), two symbols (and no characters) may be used – for example, can be spelt as ○∧ – and unpronounceable or unpronounced symbols may also be incorporated decoratively. For example, the Yamasa symbol was created as a modification of the boat emblem of the
Kishū branch of the
Tokugawa clan, which was composed as ∧ + , with the katakana character used for the in Kishū, and the ∧ being purely decorative. The Yamasa variant turned the character on its side and reinterpreted it as ; the resulting reading does not correspond to an actual name (the family name is instead Hamaguchi), though it sounds like a family name and such a family name does exist (e.g., written in the form ). These readings are used for other symbols as well. Most commonly, a circled symbol is pronounced + (symbol reading), for ; circling a symbol is common, dating to circular
seals. A notable example is the of the
National Tax Agency, which uses a circled as their symbol. They are thus known colloquially as the , from . This is notably present in the movie title . As katakana this would be written as ; see
Enclosed CJK Letters and Months for Unicode standard circled symbols. soy sauce Rarer variants exist, like for
Kikkoman soy sauce (tortoises are said to live for 10,000 years), which uses a hexagon to symbolize a tortoise shell (), with inside. ==Common symbols==