Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....section in the document Refer to http://www.aspose.com/wiki/default...PDF/SymbolsListAndPurpos.html and http://www.aspose.com/wiki/default...