where does the props object come from in react code example

Example 1: props in react

function Welcome(props) {
  return <h1>Hello, {props.name}</h1>;
}

function App() {
  return (
    <div>
      <Welcome name="Sara" />      <Welcome name="Cahal" />      <Welcome name="Edite" />    </div>
  );
}

ReactDOM.render(
  <App />,
  document.getElementById('root')
);

Example 2: react props

Props is a way to transform data from one component to another.
<Ball numbre = '1'/>
 //IN component
  {this.props.numbre} // in html is 1