T hesaurus Explanatory Material A. Explanations of Each Field. Return to Contents Contains the main entry. In general, each main entry is divided into syllables unless it is a multiple lexical unit. In all other fields, the single hyphen is used in hyphenated words. Many main entries have variant spelling forms.
Many main entries are homographs.
That is, they are spelled the same way as another word but have different meanings. There is a great variety of marks possible in the entry field. It is most important for various reasons that each mark is fully understood. Most main entries that appear to be duplicates are slightly different from each other. Any absolute duplicates will cause problems in the designing of access programs.