apply and forward - beginner question

public class OrderListCtrl extends GFCBaseCtrl implements Serializable {

	private static final long serialVersionUID = 5710086946825179284L;
	private transient static final Logger logger = Logger.getLogger(OrderListCtrl.class);

	/*
	 * ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
	 * All the components that are defined here and have a corresponding
	 * component with the same 'id' in the zul-file are getting autowired by our
	 * 'extends GFCBaseCtrl' GenericForwardComposer.
	 * ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
	 */
	protected transient Window orderListWindow; // autowired
	
        ...

	public void onCreate$orderListWindow(Event event) throws Exception {
		if (logger.isDebugEnabled()) {
			logger.debug("--> " + event.toString());
		}

		/* autowire comps the vars */
		doOnCreateCommon(orderListWindow, event);

               ...
		// check if the orderList is called with a customer param
		if (args.containsKey("customerDialogCtrl")) {
			hBoxCustomerSearch.setVisible(false);
		} else {
			hBoxCustomerSearch.setVisible(true);
		}

	      ...

abstract public class GFCBaseCtrl extends GenericForwardComposer implements Serializable {

	private transient static final Logger logger = Logger.getLogger(GFCBaseCtrl.class);
	private static final long serialVersionUID = -1171206258809472640L;

	protected transient AnnotateDataBinder binder;

	protected transient Map<String, Object> args;

	public void doOnCreateCommon(Window w) throws Exception {
		binder = new AnnotateDataBinder(w);
		binder.loadAll();
	}

	@SuppressWarnings("unchecked")
	public void doOnCreateCommon(Window w, Event fe) throws Exception {
		doOnCreateCommon(w);
		CreateEvent ce = (CreateEvent) ((ForwardEvent) fe).getOrigin();
		args = ce.getArg();
	}
}

public abstract class WindowBaseCtrl extends Window implements AfterCompose, Serializable {

	private static final long serialVersionUID = -2179229704315045689L;
	protected transient AnnotateDataBinder binder;

	protected transient Map<String, Object> args;

	public void doOnCreateCommon(Window w) throws Exception {
		binder = new AnnotateDataBinder(w);
		binder.loadAll();
	}

	@SuppressWarnings("unchecked")
	public void doOnCreateCommon(Window w, Event fe) throws Exception {
		doOnCreateCommon(w);
		CreateEvent ce = (CreateEvent) ((ForwardEvent) fe).getOrigin();
		args = (Map<String, Object>) ce.getArg();
	}

	public WindowBaseCtrl() {
		super();
		this.setStyle("body {padding 0 0;}");
	}

	@Override
	public void afterCompose() {
		processRecursive(this, this);

		// Components.wireVariables(this, this); // auto wire variables
		// Components.addForwards(this, this); // auto forward
	}

	/**
	 * Go recursive through all founded components and wires all vars and added
	 * all forwarders for ALL window components. <br>
	 * 
	 * @param main
	 * @param child
	 */
	@SuppressWarnings("unchecked")
	private void processRecursive(Window main, Window child) {
		Components.wireVariables(main, child);
		Components.addForwards(main, this);
		List<Component> winList = (List<Component>) child.getChildren();
		for (Component window : winList) {
			if (window instanceof Window) {
				processRecursive(main, (Window) window);
			}
		}
	}

}

<window id="indexWin" apply="ui.IndexPageComposer">
     <include id="ilogin" src="login.zul"  />
     <include id="icontent" src="content.zul"  />
</window>

public class IndexPageComposer extends GenericForwardComposer {
	private Include icontent;
	private Include ilogin;
	private Window content; // <---- that is not autowired, why ?

Window windowInsideInclude = (Window) Path.getComponent("/indexWin/ilogin/content");

<window id="indexWin" title="zpark" border="normal" apply="ui.IndexPageComposer">
     <include id="ilogin" src="login.zul"  />
     <include id="icontent" src="content.zul"  />
</window>

content.zul:
<window id="content" apply="AnotherComposer">
  content here
</window>

public class AnotherComposer extends GenericForwardComposer {
	private Window content;
	
	public void doAfterCompose(Component indexWin) throws Exception {
		super.doAfterCompose(indexWin);
		System.out.println(content.getId());
	}		
}

  <window id="content" title="content" border="normal">
  </window>

  <window id="wndPage2" apply="Page2Composer">
    <include id="include" src="page.zul" />
  </window>

// in the composer
Path.getComponent("/wndPage2/include/content");