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progressive-disclosure-disclosure-affordances

Use this skill when picking the *mechanism* for revealing tucked content — accordion vs. modal vs. tab vs. separate page vs. tooltip. Trigger when designing the UI for "More options," picking between an inline accordion and a side sheet, deciding whether a wizard step should be a modal or a separate page, or reviewing whether existing disclosure affordances are doing their job. Sub-aspect of `progressive-disclosure`; read that first.

plugins/HDeibler/universal-design-principles/plugins/cognition-and-learnability-principles/skills/progressive-disclosure-disclosure-affordances/SKILL.md

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Nov 6, 2026
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# Progressive disclosure: choosing the affordance

Once you've decided what to tuck, the next decision is how to surface it on demand. Different disclosure affordances suit different relationships between the primary and secondary content. Picking the wrong one is a common subtle UX error.

## The affordance ladder

Ordered roughly from lightest to heaviest:

```
Tooltip / popover         — supplementary info; doesn't disturb flow
Inline expand (accordion) — additional fields/sections within the page
Tab                       — parallel views in the same region
Side sheet / drawer       — detail beside primary content
Modal / dialog            — focused interaction, blocks primary