Context Grammar · Design Reference

Surface Expression Vocabulary

5 form factors, each with its own vocabulary. The dictionary for cross-surface design — a shared language for deciding what belongs where.

WATCH Morning 3-line brief
✓ CAN Glance · haptic · 1 action
✗ CANNOT Long text · complex decisions
🎧
EARBUDS Commute audio summary
✓ CAN Voice · ambient · hands-free
✗ CANNOT Visuals · list manipulation
📺
TV Family movie · big-screen recipe
✓ CAN Big screen · shared · story
✗ CANNOT Private info · personal pings
🖥
KITCHEN Cooking next-step · fridge memo
✓ CAN Hands-full mode · step flow · ambient
✗ CANNOT Long viewing · complex input
📱
PHONE Complex tasks · deep decisions
✓ CAN Full features · deep ops · private
✗ CANNOT Shared display · long gazing
Cross-Reference Matrix

Surface-to-Surface Handoff

natural situational breaks
W 🎧E 📺TV 🖥K 📱P
⌚ Watch →
🎧 EarBuds →
📺 TV →
🖥 Kitchen →
📱 Phone →
Read: row → column. Watch → Phone = ✓ (natural deepening). Watch → TV = ✗ (private → shared: Social Exposure breach).