Guidelines
Standards for accessibility, content, and code.
Accessibility
How to meet WCAG AA accessibility criteria.
Component usage
How to best compose and style the components.
Date and time
How to format dates and times in interface text.
Flags
How to display country flags in interfaces.
Numbers and units
How to format numbers, currency, and units of measure.
Spelling
How to spell WFP-specific words.
Writing
How to write clear, consistent UI copy.