his site provides some good technical information regarding Microsoft Dynamics 365 for Finance and Operations
https://mbs.microsoft.com/customersource/northamerica/AX/downloads/reports/axtechrefrep
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Aggregate data entities
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Aggregate measures
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Configuration key groups
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Configuration keys
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Data entities
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Data entity fields
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Key performance indicators (KPIs)
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License codes
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Menu items
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SQL Server Reporting Services reports
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Tables
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Workflow types