Though there are no specific rules on how long or detailed a functional description should be, it's author should keep in mind that it’s dependent on the user's needs and the equipment and application ...

People often confuse the purpose and role of functional specifications and design documents. Design and function should never meet in a document. Design and function must be documented during the ...

Do you need a design or functional specification? It depends on who your audience is and where you are in the product development cycle. People often confuse the purpose and role of functional ...