what is the meaning of "after Angular first displays the data-bound properties"

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I'm following the Angular documentation about the ngOnInit lifecycle until it gets really confused by saying "after Angular first displays the data-bound properties". Btw, you can check the documentation here. I guess the meaning of the word display in the context of the whole sentence is render but it doesn't make any sense.

I put a debugger statement to the ngOnInit method of a component to see what will be displayed/rendered at the time the method is called, but nothing is rendered, including DOM elements having data-bound properties except the ones that don't have any data-bound properties.

So what does it mean according to the documentation by saying "after Angular first displays the data-bound properties"?

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