Not parent, but I am using Angular for like 3 years now, I apparently have not yet figured it out. I am still baffled how hard it is to figure how to something

Not parent, but I am using Angular for like 3 years now, I apparently have not yet figured it out. I am still baffled how hard it is to figure how to something is supposed to be used (and when do I am often shocked how it can be considered the right way…). It does not help that there a countless of Angular resources (blogs, Stack Overflow answers/questions) with low quality.