Cross-link more articles

content/docs/components-and-props.md

@@ -16,7 +16,7 @@ prev: rendering-elements.html
 next: state-and-lifecycle.html
 ---
 
-Components let you split the UI into independent, reusable pieces, and think about each piece in isolation.
+Components let you split the UI into independent, reusable pieces, and think about each piece in isolation. This page provides an introduction to the idea of components. You can find a [detailed component API reference here](/docs/react-component.html).
 
 Conceptually, components are like JavaScript functions. They accept arbitrary inputs (called "props") and return React elements describing what should appear on the screen.
 

content/docs/reference-react-component.md

@@ -15,7 +15,7 @@ redirect_from:
   - "tips/use-react-with-other-libraries.html"
 ---
 
-[Components](/docs/components-and-props.html) let you split the UI into independent, reusable pieces, and think about each piece in isolation. React provides a `React.Component` base class to let you define encapsulated components that may contain [local state and handle lifecycle events](/docs/state-and-lifecycle.html).
+This page contains a detailed API reference for the React component class definition. It assumes you're familiar with fundamental React concepts, such as [Components and Props](/docs/components-and-props.html), as well as [State and Lifecycle](/docs/state-and-lifecycle.html). If you're not, read them first.
 
 ## Overview
 

content/docs/state-and-lifecycle.md

@@ -7,11 +7,9 @@ prev: components-and-props.html
 next: handling-events.html
 ---
 
-Consider the ticking clock example from [one of the previous sections](/docs/rendering-elements.html#updating-the-rendered-element).
+This page introduces the concept of state and lifecycle in a React component. You can find a [detailed component API reference here](/docs/react-component.html).
 
-So far we have only learned one way to update the UI.
-
-We call `ReactDOM.render()` to change the rendered output:
+Consider the ticking clock example from [one of the previous sections](/docs/rendering-elements.html#updating-the-rendered-element). In [Rendering Elements](/docs/rendering-elements.html#rendering-an-element-into-the-dom), we have only learned one way to update the UI. We call `ReactDOM.render()` to change the rendered output:
 
 ```js{8-11}
 function tick() {