What is the difference between Components and Directives?

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@Components	@Directives
For register component we use @Component meta-data annotation.	For register directives we use @Directive meta-data annotation.
Component is a directive which use shadow DOM to create encapsulate visual behavior called components. Components are typically used to create Ul widgets.	Directives are used to add behavior to an existing DOM element.
Component is used to break up the application into smaller components.	Directive is used to design reusable components.
Only one component can be present per DOM element.	Many directive can be used in a per DOM element
Component is used to define pipes	You can't define Pipes in a directive.
@View decorator or templateurl template are mandatory in the component.	Directives don't have a View.