Key Project Steps Detailed Functional Specification Screen Dialog Screen and printout contents Data dictionary Logical groups or files Data integrity and consistency constraints Processing constraints Lists and cross-references Test data lustrations of data and logic To check that the specifications described actually work To provide user acceptance criteria for the future software To provide complete training cases for future end usersKey Project Steps Detailed Functional Specification – Screen Dialog – Screen and printout contents – Data dictionary – Logical groups or files – Data integrity and consistency constraints – Processing constraints – Lists and cross-references – Test data – Illustrations of data and logic – To check that the specifications described actually work – To provide user acceptance criteria for the future software – To provide complete training cases for future end users