Meanings of how rudimentary in English

But now I begin to comprehend how rudimentary freedom is.

I do not know how rudimentary your knowledge is, after all. She smiled with false sweetness and he gritted his teeth.

The projection of biology into an experience of long-lasting consequences implies elements of planning, no matter how rudimentary, and expectations of outcome.

The Holder report's recommendations are notable for how rudimentary many are for such a large company with a valuation as high as $70bn.

How rudimentary is the action of an old priest!