This table is designed to explain three major types of tax-exempt organizations and their political activities. The first row enumerates three types of organizations: Public Charities, Social Welfare Organizations, and Political organizations. The second row explicates three sections of the tax code: sections 501(c)(3), 501(c)(4), and 527, each governing the tax treatment and permissible activities for different types of groups. The third row explains the organizations' range of lobbying activities. The fourth row explains their election-related activities. And the final row provides some examples of each of the three types of organizations.