There’s lots of ways to slice and dice software process. In Scenarios, Stories, Use Cases: Through the Systems Development Life-Cycle, Ian F. Alexander and Neil Maiden show the waterfall model, systems engineering ‘in the large’ , and systems engineering ‘in the small.’
Waterfall Life Cycle Elements
Alexander and Maiden outline the key sequence of steps in the waterfall model based on Royce (1970).

Requirements Discovery
Requirements Validation
System Specification
System Design
Coding, First of Class
Integration & Testing
Operations & Maintenance