Block

A structured content region within a surface. Blocks organize objects, cards, controls, and findings into logical groups.

Examples:

• nearby block
• friends block
• actions block
• calendar block
• notification block

Block types:

• list_block — ordered item list
• card_block — visual card grid or row
• hero_block — single prominent object
• action_block — interactive controls
• map_block — spatial field view
• media_block — visual or audio content

Allowed:

• block
• [name] block (e.g., nearby block)
• block type

Forbidden:

• section (implies document model)
• widget (implies embeddable third-party component)
• component (engineering term; not a product noun)
• module (ambiguous)
• panel (distinct; panel is a carry-layer surface — see: panel)

Notes:

• Blocks exist inside surfaces. Objects and cards exist inside blocks.
• Block type defines rendering semantics; the runtime selects the appropriate renderer based on block type.
• A block is not a surface. Blocks organize content within a surface; they do not represent a context or workspace.

Related:

• surface
• card
• object
• finding