Otherwise, the query will be case senstive. The default is case insensitive. By selecting this checkbox, keywords will match on word boundaries. The default is to match keywords on word boundaries. An error is either a deletion, insertion, or substitution of a single character.
Attribute names are always case insensitive and allow no errors.
These options allow some control of presentation of the query results. The default is verbose. By default, the results are returned in the order in which they occur in the index. If you would like the results sorted based upon their relevance to the query, then select this option. Note that using this option may take significantly longer than not sorting the results.