"Level distractions" refers to the different degrees or stages of things that divert or take away our attention. It suggests that distractions can vary in intensity or impact, from minor interruptions to major disruptions. Full definition
In episode 23, I answer a question from a listener about how to stop your dog from pulling when practicing loose leash walking around high level distractions. (thedogsway.com)
Work through walking on a loose leash, some basic functional obedience through medium level distractions. (thedogsway.com)
Texting causes major level distractions while driving, because it draws the attention from the road completely. (drivingschoolkaty.com)