Email

45 atoms available on this surface

Intro

series link or transparency note at article top

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In Series label, I covered the background. This article picks up from there.

Body

prose paragraph block

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This is a body paragraph. It supports bold, italic, and inline code via lightweight markdown.

Heading

H2 section title

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Section Heading

Subheading

H3 subsection title

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Subheading text

Quote

pull quote or blockquote with attribution

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The vocabulary IS the discovery layer.

— A2UI
Bullet List

unordered list with optional bold label per item

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  • First item in the list
  • Labelled item with supporting description
  • Third item
Divider

horizontal visual section break

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Image

single image with optional caption

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Descriptive alt text for this image
Repo Links

styled GitHub repo link list

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Closing

article closing paragraph with hashtags

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A concise description of the content.

Table

data table with header row on mobile

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Example fields
FieldTypeRequired
valuestringyes
labelstringyes
trendstringno
Metric Delta

big number metric with directional change indicator or percentage

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Metric Delta
Current value
↑ Delta value
Trend Indicator

compact inline value with mini trend bar the direction of a

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↑ Trend Indicator
Anchor List

in-page anchor navigation links document or to external URLs.

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    Glossary Term

    definition term with explanation

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    API
    Application Programming Interface
    Footnote

    numbered footnote reference at the bottom of a section or page.

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    [1]A concise description of the content.
    Pull Stat

    large display number pulled from prose for emphasis descriptive label.

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    1
    Pull Stat
    Audio Link

    styled link to an audio file

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    Document Link

    styled link to a downloadable document

    Image With Caption

    image with styled caption below

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    Descriptive alt text for accessibility
    A descriptive caption
    Pricing Tier Card

    single pricing plan card with features list

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    Popular
    Plan name
    USD$29/mo/monthly
    • Core feature
    • Advanced analytics
    • API access
    Call to action label
    Pros Cons List

    two-column pros and cons comparison

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    Example subject matter
    Pros
    • ✓Scalable architecture
    • ✓Clean API design
    • ✓Excellent documentation
    Cons
    • ✗Steeper learning curve
    • ✗Limited third-party plugins
    Rating Comparison

    multiple items rated across dimensions scores.

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    Item 1(0)
    Item 2(0)
    Footnote Group

    numbered footnote list at section or article end

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    1. [1]Source: Example Report, 2026.
    Entity List

    named resource rows with avatar, status badge, and meta

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    I
    Item 1
    I
    Item 2
    Model Card

    AI model spec card with context window, pricing, and capability badges

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    Model Card
    VisionCode executionWeb search
    Conversation Snippet

    user prompt and AI response as chat bubbles

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    You
    How does this work?
    Assistant
    Here's a clear explanation of how it works.
    Shortcut Legend

    keyboard shortcut cheat-sheet grid with key combos and labels

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    Rating Summary Bar

    star rating histogram with percentage bars per star level

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    75.0/ 5 · 5 ratings
    5★
    960%
    4★
    600%
    3★
    240%
    Roadmap Card

    quarter-based product roadmap with status-tagged milestones

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    Notification Stack

    persistent notification inbox list with unread indicators

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    Tag Block

    horizontal wrap of neutral content chip labels

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    typescriptreacta2ui
    Markdown Block

    inline markdown string (bold, italic, code, links) rendered to HTML

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    A concise description of the content.
    Text Callout

    lightweight tinted inline tip or note block no icon

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    Text Callout
    A concise description of the content.
    Source Citation

    numbered RAG source card with title excerpt and URL

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    Sources
      Confidence Bar

      labelled probability bar with colour-coded confidence fill

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      Confidence Bar75%
      Product Thumbnail

      product card with image, price, status badge, and tags

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      Product Thumbnail
      $29/mo
      Order Status Card

      e-commerce order card with status badge and line item list

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      Order Order numberActive
      1
      Placed
      2
      Processing
      3
      Shipped
      4
      Delivered
      Total
      Inventory Table

      inventory table with SKU, stock levels, and low-stock row highlight

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      NameSKUStockPriceStatus
      —————
      —————
      Jira Ticket

      Jira issue card with type icon, status lozenge, priority, and assignee

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      ✓example-idTo Do
      A concise description of the content.
      🟡 Medium
      Lozenge

      Atlassian-semantic status pill with defined appearance variants

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      New
      Tree View

      recursive hierarchical tree with expand/collapse per node

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      ▶ 📁src/
      📄index.ts
      📄package.json
      Cta Section

      full-width CTA banner with headline and buttons — Tailwind UI pattern

      Achievement Badge

      unlockable achievement badge with locked/unlocked state and optional date

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      🏆
      Achievement Badge
      Schema Qr

      self-contained QR code, optionally with a live URL input

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      Scan to open on any device