(homograph) groups information relating to one homograph within an entry.
xref
(cross reference) a reduced entry whose only function is to point to another main
entry (e.g. for forms of an irregular verb or for variant spellings:
was pointing to be, or
esthete to aesthete).
affix
an entry for a prefix, infix, or suffix.
abbr
(abbreviation) an entry for an abbreviation.
supplemental
a supplemental entry (for use in dictionaries which issue supplements to their main
work in which they include updated information about entries).
foreign
an entry for a foreign word in a monolingual dictionary.
sortKey
contains a (sortable) character sequence reflecting the entry's alphabetical position in
the printed dictionary.
a sequence of characters which, when sorted with the other values, will produced
the desired order; specifics of sort key construction are application-dependent.