Indicate that the value of the contents is to be considered: e.g., <address> indicates the address of something, not the word "address".
Characters within single quotes indicate IA5 characters, not values, e.g. '0' indicates the character zero, which has the hexadecimal code 3/0 or 0x30.
Used as a separator for the upper three bits and the lower four bits of an IA5 code. When shown in this form, the characters can be defined using either hex or decimal notation, e.g., character 'K' is 4/11 or 4/B.