Tacit knowledge shape the way we perceive the world.
Is made of subjective insights, intuitions and hunches.
Have a technical dimension and a cognitive dimension that consists on beliefs, ideas, value, mental models and schemata.
What we learn, what we discover and what we invent blooms in our tacit knowledge.
How to make this tacit knowledge visible and expressible, how to communicate and share it with others ?
Read this pdf: The concept of `Ba': Building a foundation for knowledge creation.
And this article: Ba and Knowledge Creation in Scrum