For the purposes of this standard, the following terms, written in the remainder of this standard with capital letters, should be read as having the meanings specified here. These definitions sometimes contain other capitalised terms. Most of those terms are relevant for this standard and are defined in this Clause as well. The remainder of the capitalised terms are defined for the purpose of supporting other DDEX standards and have no special meaning for the purposes of this standard.

Note: there are also Secondary Delimiters used in this standard.