Up to this point, I have likened what is made into words and what is not made into words to the part of an iceberg above and below the surface of the water.

We have progressed from abstract concepts near the top of the mountain to bodily sensations and metaphors near the surface of the water, and have come closer to the surface.

What is the closest thing to the surface of the water? I believe it is a sense of discomfort(IWAKAN). In this section, I will explain tacit knowledge and discomfort. This is because tacit knowledge and discomfort are two sides of the same coin.

Uncomfortable feeling and tacit knowledge right under the water surface