Shows the search words, that were used with search engines in order to access the website.
A website visitor uses "white shirt" as input into the search engine.
External search words: "white", "shirt".
External search phrase: "white shirt".
The majority of search phrases are depicted as "not provided". Among other things, this is caused by the suppression of the search words at https search requests via Google. In this case, both words are split: "not" and "provided".