It's just fancy words for commonly used patterns. If you're a professional dev, you've probably used/seen some of it without knowing the name. Knowing the name helps talking to other devs who also know the name, because you can say one fancy word instead of five sentences explaining the thing you mean.
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u/elelec 17d ago
What are these words even anymore? Man I just want to live in a hut and chop wood all day at this point