Category - The health insurance categories are 1) SoonerCare (Medicaid) 2) Marketplace Coverage 3) Standard and Alternative coverage. Income and family size will determine the eligibility for each category.
Carrier - Providers (Doctors, hospitals, etc) will determine which insurance carrier you needs to be chosen. Each carrier has its own provider network.
Coverage - Medical needs (preexisting conditions, current medical circumstances and medications) will determine which coverage (policy) needs to be chosen.