What is 7D of SW short for?

"7D of SW" is a short form for "The Seven Dimensions of Software Development". It refers to a framework that identifies seven key aspects or dimensions that should be considered when developing software:

Requirements

Design

Code

Testing

Deployment

Operations

Maintenance

By addressing each of these dimensions in a software development project, it is believed that the resulting software will be of higher quality and more successful in meeting the needs of its users.