The document discusses application software and its various categories and forms. It identifies four categories of application software: 1) software for business activities, 2) graphics and multimedia software, 3) software for home, personal, and educational use, and 4) software for communications. Application software is available in several forms including packaged software, custom software, web applications, open source software, shareware, freeware, and public domain software. The document also describes various types of business software, graphics and multimedia software, software for home use, and communications software. It discusses learning aids for application software such as online and web-based help.