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docs: explicitly state purpose of components (#29879) 

Current description is vague. I'd love to see this doc explicitly state that components are for reusable sets of UI features instead.

PR Close #29879
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Brad Green 2019-04-12 16:14:45 -07:00 committed by Kara Erickson
parent 7d6f4885b2
commit 7ec8806dc5
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aio/content/getting-started/index.md
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@ -149,8 +149,8 @@ Learn more: See the [Template Syntax guide](guide/template-syntax "Template Synt
{@a components}
## Components
*Components* are the building blocks of Angular apps.
You've already been working with the product list component.
*Components* define areas of responsibility in your UI that let you reuse these sets of UI functionality.
You've already built one with the product list component.
A component is comprised of three things:
* **A component class,** which handles data and functionality. In the previous section, the product data and the `share()` method were defined for you in the component class.