What does "by what means" mean?
For example , "Who can determine, and by what means, when a piece of metal is a gun, is more like a gun than not a gun."

Thank you

Question

What does "by what means" mean?
For example , "Who can determine, and by what means, when a piece of metal is a gun, is more like a gun than not a gun."

Thank you

Answer

By what means would they determine it? In other words, how would they determine it?