Here are the possible solutions for second not top level clue
Answer
Clue
Relevancy
tier
Clue
Second-___ (not top-level)
Management level or theater level
ozone
Clue
Low-level pollution or high-level protection
Definition
an allotropic form of oxygen present in the atmosphere
ptomaineconcourse
Clue
Warning sign at a train station's food court? (NOTE: The original sign, without my additions, actually exists. It's in Grand Central Terminal in NYC, on the lower level — the food court level. The sig
rank
Clue
Class, level or class level
Definition
disagreeable in odour or taste
loge
Clue
Second-level seating
Definition
(French) a small enclosure or box in a theatre or opera house