Describe your specific contribution: did you build the system from scratch, maintain and extend an existing one, or document components for developer handoff? 'Built 200+ component Figma design system for enterprise SaaS product, adopted by 8-person design team; reduced design-to-development time by approximately 30%' shows scale, ownership, and impact.

Reference specific WCAG criteria you've applied — color contrast (4.5:1 ratio for normal text), focus states, touch target minimums, keyboard navigation. If you've conducted or participated in accessibility audits, note the findings and remediation. Use language like 'applied WCAG 2.1 AA standards' rather than claiming full accessibility expertise unless that's accurate.

UI designers focus on visual design: component design, color, typography, interaction states, and design systems. UX designers focus on research, information architecture, user flows, and usability. Many roles blend both — if you do both, present them proportionally. If a role title says 'UI/UX,' the employer likely expects competency in both; if it says 'UI Designer,' lean into visual craft and design system work.