What tool can assist in applying for AARP membership related to Med Sup plans?

The correct answer is LEAN, which stands for "Learn, Engage, Act, and Notify." This tool is specifically designed to assist individuals in navigating the application process for AARP membership and its related Medicare Supplement plans. LEAN provides resources and guidance that help applicants understand their options, engage with necessary information, take action towards applying, and receive notifications throughout the process.

In the context of applying for Medicare Supplement plans, having a structured approach like LEAN can significantly streamline the experience, making it easier for individuals to access the support they need to make informed decisions about their health insurance options. The other tools listed do not specifically correspond to the application process for AARP membership concerning Medicare Supplement plans, making LEAN the most relevant choice.