tip of the iceberg(Noun)
Only the beginning; just a small indication of a larger possibility; a problem is much bigger than it seems
Origin: tip + iceberg. Floating icebergs have a significant proportion of their mass below the surface of the water.
The numerical value of tip of the iceberg in Chaldean Numerology is: 9
The numerical value of tip of the iceberg in Pythagorean Numerology is: 4