web application(A client-server program accessed over a network that uses a web browser as the interface for the end user); web app(A client-server program accessed over a network that uses a web browser as the interface for the end user)
Microsoft Office Web Applications(A suite of web-based productivity offerings from Office. These are stand-alone applications that offer access to Office documents through any browser across multiple platforms, lightweight creation and editing capabilities in standard Office formats, sharing and real-time collaboration on those documents through the browser, and a variety of web-enabled scenarios (such as wiki linking and embedding documents into blogs and other web-based media))
