"Charter" means a group of persons, pursuant to a common purpose and under a single contract and at a fixed charge for the vehicle in accordance with a transportation company's tariff, who have acquired the exclusive use of a bus or rail vehicle to travel [...]

"Charter" means an academic or vocational performance based contract or an academic and vocational performance based contract between the state board, a local board of education, and a charter petitioner, the terms of which are approved by the local board of [...]

"Charter" means articles of incorporation, articles of agreement, articles of association, or other basic constituent document of a corporation; subscribers' agreement and power of attorney of a reciprocal insurer; or underwriters' agreement and power of [...]