Difference between conceptual, logical, and physical designs - Business analyst

What is the difference between conceptual, logical, and physical designs?

- Conceptual designs attempts to identify the highest level of relationships between entities. Conceptual designs include only important entities.
- Logical design includes all entities and the relationships between them. Logical design describes data as much as possible.
- Physical design helps in converting the logical design into the physical form.
Function of the presentation layer in the business application architecture- Business analyst
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Differences between a high-fidelity and low-fidelity design - Business analyst
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