While Martin eats, the level of his beer rises and falls many times.
Niles calls his medal and neck ribbon "the Sash of Office"
A sash is defined a long strip or loop of cloth worn over one
shoulder or around the waist. Running from one shoulder to
the opposing hip.
When Gil Chesterton slams shut the outer door to the radio booth, the fake deadbolt locks itself.
When Frasier is eating, there is no food on his fork even though he puts the fork in his mouth.
During the writing of his wine review Frasier uses the phrase: "lingers like a haunting refrain". This is an old literary cliche that both Frasier and Niles would abhor, and would make a point of shaming any other writer who would use it.