1 Corinthians 14:6 KJV
Now, brethren, if I come unto you speaking with tongues, what shall I profit you, except I shall speak to you either by revelation, or by knowledge, or by prophesying, or by doctrine?
Paul's concern was that the words spoken in church be profitable. He defined profitable as "edification, exhortation and comfort" and gave these as prerequisites to profitability:
Jack Hyles once defined profundity as "putting the cookies on the shelf so everyone can reach them.
I would define this as specific. The direction is focused.
There should be no question what is meant by the speakers words. Confusion is cleared up in detailed speech.
Without this clarity a person is speaking in the air, as a barbaric and has no profit.