What is the difference between APIs, libraries, and frameworks? Organizing the relationship between functions, components, and foundations

When reading programming articles or descriptions of development tools, you will come across terms like the following.
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Inside NVIDIA’s IsaacTeleop: From Hand and Controller Tracking to Robot Actions with the Graph-Based Retargeting Engine

Explore NVIDIA IsaacTeleop tutorial to build a retargeting engine using NumPy for hand and controller robot action commands.

The time I asked Python to round 2.5 servings of udon, and it insisted, "It's 2 servings."

Good evening, I'm Udon 🍜Today is extra-serving day. I'm having Python's round() function count the number of servings the ...
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Online shopping: do I have to pay VAT, import and handling costs?

What extra delivery fees do I have to pay when buying from an EU-based retailer? Customs duties, import VAT and courier ‘handling fees’ can now be added on top of what you pay at the point of sale for ...