What is the purpose of the switches on airplane steering columns?

The switches on airplane steering columns (technically called control yokes or control sticks) serve critical functions that pilots need instant access to while maintaining hands-on flight control. These aren't random button placements – they're carefully engineered human-machine interface (HMI) decisions based on decades of aviation ergonomics research.

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Aditya Singh's answer to What is the purpose of the switches on airplane steering columns? - Quora

Aditya Singh's answer: The switches on airplane steering columns (technically called control yokes or control sticks) serve critical functions that pilots need instant access to while maintaining hands-on flight control. These aren't random