Technical Description A product .A mechanism .A process .A site .An object .An idea/concept
Technical Descriptions A product description from a manufacturer .A specs from an engineer on a new product .A field note from a scientist/marketing analyst .An observation of a class by a teacher
Technical Descriptions Description of entire concept, mechanism .over view .shape, dimension, material, function, relationship .Description of individual components .detail .One complete operating cycle .Logical organization (spatial, chronological, functional) .Visual aids
Principles Governing TD Accuracy .Preciseness .Objectivity .Clarity
Process Natural process .Artificial process
Specification Specify, don’t explain .Make the spec. verifiable .Distinguish between performance and design specs. .Be complete, precise, concise