Runtime and library to organize the user work in separate activities
When a user is interacting with a computer, there are three main areas of contextual information that may affect the behaviour of the system: who the user is, where they are, and what they are doing.
Activities deal with the last one. An activity might be “developing a KDE application”, “studying 19th century art”, “composing music” or “watching funny videos”. Each of these activites may involve multiple applications, and a single application may be used in multiple activities (for example, most activities are likely to involve using a web browser, but different activities will probably involve different websites).
KActivities provides the infrastructure needed to manage a user’s activites, allowing them to switch between tasks, and for applications to update their state to match the user’s current activity. This includes a daemon, a library for interacting with that daemon, and plugins for integration with other frameworks.