Generally speaking, keeping activity aerobic is a decent proxy for managing the stress level of generalized active recovery - aerobic activity is characterized by a preponderance of energy contributions coming directly via aerobic pathways, with little stress to more short term energy systems. (completehumanperformance.com)
The other pathway is known as the aerobic pathway, and your body uses this for low to moderate intensity exercise such as power walking. (rachaelattard.com)
Whenever there is a high intensity effort that heavily taxes the alactic or glycolytic pathway, it is the aerobic pathway that clears away the byproducts that trigger fatigue and replenishes the substrates that fuel these systems. (rugbystrengthcoach.com)