Differentiate between process models and data flow diagrams

For this assignment you are asked to differentiate between process models and data flow diagrams when gathering requirements for a business intelligence solution. Your document should include:

The purpose of process models including elements

The purpose of data flow diagrams including elements

Explaining if data flow diagrams and process models are related or different during the requirements gathering phase.

Your paper should be 2-full pages in length and conform to APA standards. Include at least two scholarly references in addition to the course textbook.