The phrase "" refers to a specific challenge or prompt often found in educational or creative media, most notably within the context of the Cortex podcast (specifically Episode #28, though the numbering systems can vary by platform).

Psychologically more satisfying than a standard to-do list for those prone to burnout. [S2E28] Episode #2.28

A visual representation of time that focuses on energy levels rather than just hours. The phrase "" refers to a specific challenge

: A vertical timeline from 8 AM to 6 PM, with a sidebar for "Energy Rating" (1-10). [S2E28] Episode #2.28