A computer system provides at least one workspace as a user interface corresponding to a user-generated topic. A home topic is provided to the user as an initially selected topic. The home topic provides a workspace to the user as a user interface. User selection of a first topic within the home topic causes designation of the first topic as the current topic. A first workspace is associated with the first topic, and a first topic data structure associated with the first topic is generated and the first topic data structure is associated only with application windows, files and application related data used by the user while the first topic is designated as the current topic. The user is provided, within the first workspace, only application windows, files and application related data used by the user while the first topic is designated as the current topic.