Wizcom Quicktionary 2 - Manual (Page 17)

The Quicktionary
17
Headword
The selected word or a derivative of the selected word, may
consist of more than one word. The screenshots here display
the headword "special" and the word "ate", a derivative of the
headword "eat".
Phonetics
The phonetic transcription of the headword. This can be seen
when the dictionary entries are shown in Full Display. The
guide to the phonetic symbols used in the dictionary, is
available from the Guides and Glossaries menu in Help in
the Quicktionary Menu.
Parts of Speech
Categories of words that describe their particular function, e.g.
nouns, verbs, adjectives. Some dictionary entries contain
several parts of speech, such as "land" which is both a noun
(n.) and a verb (v.).