14 CFR 377.1 – Definitions
As used in this part:
Authorization means any agency certificate, approval, statutory exemption or other form of permission granted pursuant to 49 U.S.C. § 40102, 41102, 41302, 41309, and 41708. Where any operating authorization creates more than one separate route, each of these shall be deemed a separate authorization for the purposes of this part.
Renewal application means any application filed in conformity with the requirements of this part which requests either a renewal or a new license and is intended to invoke the provisions of the last sentence of 5 U.S.C. § 558(c).
Route means an authorization which permits an air carrier to render unlimited regularly scheduled service between a specifically designated pair of terminal points and intermediate points, if any.