The document is a license agreement for the RedSwoosh Library for ActionScript API. It grants users a worldwide, royalty-free, non-exclusive, perpetual license to use and modify the library and its documentation for any purpose. However, it places restrictions on redistribution and modifications, requiring attribution of the original authors and inclusion of the full license terms. The licensor provides the work "as-is" and disclaims all warranties or responsibilities for damages arising from its use.