Typically, common words (like "the") are included in the stop word list. In addition, the stop word list can include the extraneous words contained in a typical question, allowing the query to focus on what the user is really searching for.
Stop words must be single words only, and cannot contain any non-searchable characters. If more than one word is entered as a stop word, neither the individual words nor the combined phrase will act as a stop word. Non-searchable characters within a stop word will also cause this behavior. Entering "full-bodied" as a stop word acts just as if you had entered "full bodied", and does not have any effect on searches.
Stop words are counted in any search mode that calculates results based on number of matching terms. However, the Oracle Endeca Server reduces the minimum term match and maximum word omit requirement by the number of stop words contained in the query.