Reading Class 21 - meron-401n14/seattle-javascript-401n14 GitHub Wiki
It is used to display whatever you include between the opening and closing tags when invoking a component.
Here’s an example of a stateless function that is used to create a component, since this is a stateless function, there is no ‘this’ keyword so just use props.children.
const Picture = (props) => {
return (
<div>
<img src={props.src}/>
{props.children}
</div>
)
}