Millions of seniors today get health coverage through Medicare. Right now, in fact, Medicare's annual open enrollment period is underway, which means existing health plan participants have an opportunity to make changes to their coverage and take steps to lower their costs for 2024.

Unfortunately, though, there tends to be a lot of confusion about Medicare. That can lead to poor decision-making -- and extra spending on healthcare for seniors on fixed incomes.

A recent survey from Assurance IQ found that Medicare enrollees are confused about different aspects of the program, including some of its terminology. But surprisingly, 59% of those surveyed did not fully understand what Medicare Part C entails. If you feel that you're in the dark, too, here's what you need to know.

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Source Fool.com