Eg,
n-level comms are where a CEO communicates to the entire org
1-level comms are where CEO->CTO->VP->Directors->EMs->ICs
2-level comms:
CEO->CTO+VPs
CTO->VPs+Directors
VP->Directors+EMs
Director->EM+ICs
Because of the branching factor it’s not feasible to do this for every bit of comms.