What to call the characters-based decoration found in many announce emails Many emails received from Japanese companies contain characters-based dingbat-style ornament like this: blablablablablablablabla blabla blablablabla blablabla bla ... It seems to be a particular case of Shift_JIS art (which I don't know how to say in Japanese either, by the way). What do you call this type of email decoration in Japanese?

This decorative frame can be called ().

can be text-based or not, it means any kind of dingbat-style framing in general.