BrandingA brand guide to follow such as how to use a corporate logo.
Business RulesBehavior of a system often in the form if .... then ....
ColorColor palettes to use or restrictions on colors.
ComplianceStandards or practices such as accessibility or security guidelines.
Consistency & CohesionThe requirement that a design be consistent with other things. For example, an interior design for a room that matches the rest of a house.
ContentContent such as text, logos, icons or photos to be used in the design.
Content StyleDirection as to the style of content such as a style guide for written text.
CustomizationRequirements that users be able to configure things.
DeliverablesWhat the design itself will include such as drawings, user interface specifications and so forth.
Design AssumptionsA set of assumptions such as a technology that will be used.
Design ConceptA general concept that a design needs to capture. For example, a room that feels natural.
Design ConstraintsConstraints such as a budget.
Design MoodA visual concept for the design such as a mood board for a brand.
Design Objectives / GoalsWhat the design is meant to achieve.
DurabilityHow long the design must last.
Error HandlingIdentification of error states and how to handle them.
FeaturesHow the design implements functions. For example, buttons on a user interface.
Form FactorThe shape or 3d form of a design.
FunctionsWhat the design does.
HelpHow the design is explained to the user.
IconographyRequirements for symbols and icons and their use.
InputsInputs such as user inputs or data used by a design.
Layout / CompositionDirection regarding the layout or composition of a design such as a room that must be open concept.
LearnabilityRequirements for learnability. For example, a design that must be intuitive with nothing to learn.
Look & FeelSpecifications for user experience at the sensory level such as touch and visual experience.
MaterialsThe materials to be used. For example, a chair that must be wood.
Media SpecificationsSpecifications for media such as photographs to be used in a design.
OptionsUser or admin options to change the functions, features, interface and look of a design.
PackagingRequirements for product packaging.
PerformanceThe target performance of a design such as how much weight a chair can safety support.
PersonalizationRequirements that a design automatically change based on what is known about the user.
QualityRequirements for design quality such as acceptance criteria.
ReliabilityTarget reliability such a system that must be up 99.999% of the time.
ReportingMetrics and other data reported by the design.
ResilienceStresses the design must handle. For example, a waiting room in a theme park that must handle 30,000 guests a day for 50 years without any major maintenance.
SafetySafety requirements such as a room that requires a fire-resistant barrier.
SecurityPhysical and information security requirements. For example, a vehicle barrier requirement for a pedestrian walkway.
Sensory RequirementsRequirements for sensory experience such as the taste of a product.
StructureThe structure of a design such as the user interface depth of an information environment.
StyleDirection as to the required style of a design such as architecture that must align to a local architectural style.
Technical RequirementsTechnical requirements such as the database a system will use.
Typography / FontSpecifications for typography such as font and spacing.
Universal DesignRequirements that the design be accessible to a broad range of people including people with disabilities.
UsabilityDirection as to the usability of a design. For example, a design that is intuitive for a novice user.
Use CasesSpecifications of how users will interact with the design.
User ExperienceRequirements for user experience. For example, a search box that should never override or change what the user has typed.
ValidationsValidation rules for user input.