Design in any discipline – electronics, mechanical, aerospace, etc. – begins with a specification that captures what the end product should do and essentially drives the entire development cycle.  Verification is intended to check that a product, service, or system meets a set of design specifications. Validation is intended to …

The Product Requirements Document or PRD describes all aspects of a new idea required or desired to make its realization a success. The PRD is the bridge between the often vague project briefing and the highly detailed engineering implementation plan. It is also known as the Program Of Requirements (POR), …