Symbols
The whole Bible is an "integrated message system" originating outside our Universe (from our Creator).
Continuity of symbols and encoding provides authentication and "spread spectrum" signaling (to those who search for it) in time and frequency domains.
The Door
Jhn 10:7 - Then Jesus said to them again, “Most assuredly, I say to you, I am the door of the...
The Day of the Lord
Disclaimer: this is just the tip of the iceberg. It makes my head spin as I read so many verses ...
The Thief
The Coming Night
The Bow
Gen 9 13: I do set my bow H7198 in the cloud, and it shall be for a token of a covenant ...