Definitions for "Broad match"
Keywords:  keyword, query, validly, ppc, google
One of Google's keyword-matching options; displaying your advert for queries which include your keywords as part of a longer search term, but not necessarily in the same order or adjacent to one another. For example, your keyword advert of "collector clocks" as a broad match is validly displayed on query results for "collector of antique clocks". (See also keyword-matching options, broad match, expanded match, and negative match.)
Includes all search term variations that contain the search terms.
An option that relates to keywords set-up. By using the broad match option, your ad will display for every possible search phrase that uses your keyword phrase. The broad match doesn't consider the topic of the words or the existence of additional words in the search phrase.