Here are the possible solutions for sign element clue
Answer
Clue
Relevancy
atom
Clue
Element element
Definition
the smallest particle in an element which can take part in a chemical reaction
neon
Clue
Sign element
Advertising sign element, perhaps
Definition
a gaseous element
omen
Clue
Good sign or bad sign
Definition
to provide with a prophetic sign
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
