Ignored Words
Ignored words are words that will be ignored if given as part of a search query.
It is typically common words that have little meaning on their own like the, is, of, or be
Ignored words are removed from both product and search texts, to ensure they do not affect which results appear or how the results are ranked compared to each other.
Ignored words are created as a part of an ignored words dictionary.
Example
Assuming the and of are part of the ignored words, searching for The Planet of the Apes would get the results for Planet Apes.