Hi! I want to explain to you a waveform area selection + keyboard shortcut allocation design delimmea, regarding operations that move the left and right ends of a selection range back or forward, and
# Ranking the Waveform Selection Keyboard Shortcut Methods --- ## Scoring Criteria Breakdown Before ranking, let me establish what each criterion actually means in this context: - **Best Designed** — Internal logical consistency, elegance of the mental model, how well it scales if features are added later, and how little it fights against itself - **Most Comfortable** — Physical ergonomics, how well it sits under the hands during real sustained editing work, strain over time - **Most Conveni