| 摘要 |
A computer executes a program, wherein said computer opens a usage window of a user interface of the program when calling said the program. In the execution of the program with an opened usage window, the computer receives usage commands for a usage part of the program from a user of the computer via an input device. The computer presents the usage commands during the input of the usage commands in the usage window, or in a usage command window of the user interface that is associated with the usage window. The computer effects the execution of a usage action corresponding with the respective usage command after the validation of the respective usage command. Furthermore, the computer receives retrieval commands from the user via the input device to retrieve additional information. The computer presents the retrieval commands in a retrieval command window of the user interface during the input of said retrieval commands. The computer retrieves the corresponding additional information from a web server after the validation of the respective retrieval command and outputs said corresponding additional information to the user via the retrieval command window, or an information window associated with said retrieval command window. The retrieval and output of the additional information is an action different from the usage action. The information window, the retrieval command window, the usage window and the usage command window are different windows.
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