Group

Feature

Phase

Attribute/activity

uppercase

Software complexity

System analysis

-Overview analysis

System design

-Documentation

Analyst capability

Architectural design

-Design overview

Detailed design

-I/O design

-Data/class design

Coding

-Program/module structure

lowercase

Execution time

Testing

-Programming

-Unit and integration testing

Main storage

Production

-installation

-use/implement

Programmer capability

Coding

-syntactic and logical details