"To narrow the field" means to reduce the number of options or choices, making it easier to focus on the remaining options or make a decision. Full definition
We are committed to helping Cut Off singles discover love every day by narrowing the field from thousands of singles to a select group of compatible matches. (eharmony.com)
We are committed to helping Forest singles discover love every day by narrowing the field from thousands of singles to a select group of compatible matches. (eharmony.com)
Let the Compatibility Matching System work for you by narrowing the field of your match from among thousands of single prospects. (populardatingsites.biz)