#concept8 mentions

Knowledge of something is “the theoretical or practical understanding of a subject”.Oxford Dictionary of English

Put more technically, this means having access to a Model of a subject.

Derived from this we also talk about

We get from knowledge of to knowing that if we “think of models as entailing propositions”Bailer-Jones (2009), 186

: These are predictions about how our environment will behave, derived from Explicit Models that we can articulate consciously.

Knowing how is based on models, too – Implicit Models, i.e. non-conceptual, embodied representations of our environment that we use unconsciously when employing our skills.