Runline U Concepts

Concept pages explain ideas that recur across functions and examples. Read them when a formula works mechanically but the update model, data shape, or operational tradeoff is unclear.

Live reports

• Publish / Subscribe in Runline U
• Topics and Report Identity
• Live Data, RTD, and Recalculation
• Report Freshness and Metadata

Worksheet data and performance

• Dynamic Ranges and Spill Results
• Grids, Tables, and Array Shaping
• Caching, Throttling, and Update Cost

Automation and integration

• Workbook Automation and Side Effects
• Web Reports and Controls
• Compiled and Invoked Functions