The phrase "additional flexibility" means having more options or choices to adapt or change things according to your needs or preferences. Full definition
Many term life insurance policies have major features that provide additional flexibility for the insured / policyholder. (investopedia.com)
Students have additional flexibility in how they can earn verified credits under the new graduation requirements. (doe.virginia.gov)
This will provide you with additional flexibility if you decide to change careers / companies in the future, or if your employer decides to cancel their group coverage. (termlifeadvice.com)