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Please be able to define/explain each step

5 steps for creating a ER diagram
  1. Identify Entities
  2. Indicate Relationships between Entities
  3. Define Keys for Each Entity
  4. Define and Map Data Elements for Each Entity
  5. Normalize the Data Model
5 steps for creating a DFD diagram
  1. Identify The Central Transform
  2. Produce a First-cut Structure Chart
  3. Add Modules and Show Data Flows
  4. Write Module Details (Pseudocode)
  5. Conduct Software Design Walkthrough.