BW (Business Information Warehouse)

New-generation data warehouse used as a basis for making strategic and operational decisions in companies. it combines state-of-the-art warehousing technology with preconfigured business content, and gives users a clear overview of company-Internal data and any external data that is relevant. the SAP Business Information Warehouse contains a wide selection of predefined reports that have been specially tailored to meet the needs of specific industry sectors and user groups, e.g. production planners, financial controllers, human resource managers.

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The separation line is described in the SAP standard documentation.
Below the separation line is my translation
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A new generation of data warehouse is used as the basis for formulating the company's strategy and operational decisions. It integrates art-level factory technologies and pre-configured business content to give users a clear overview of the company's internal data and all relevant external data. The SAP Business Information Warehouse contains a large number of predefined reports that have been specially tailored to the needs of specific industry departments and user groups, such as production planning, financial control, and human resource management.