Glamorous Toolkit (GT) explicitly honors Smalltalk traditions, where ⌥-Click serves as the spiritual successor to ctrl-c:
⌥-Clicking any object in GT opens an inspector showing live code, state, and tools (matching Smalltalk’s "suspend and reveal source" behavior).

⌥-Click
This allows the same exploratory learning described in Portal Workings, but in modern environments like GT.
~
What exactly is Option (⌥)+click on mac? page