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semantic model
/sɪˈmæn.tɪk ˈmɒd.əl/ - n.
1 [colloq.] The layer where the business finally agrees what 'revenue' means, defined four times to match four dashboards.Keep. Punchy.This is the problem.
Working definition
2. A layer that maps physical tables to business concepts, metrics, and dimensions so consumers query meaning rather than raw schema.