The OSGi bundle key of the current module being rendered
The current JCR node being rendered
The current resource being rendered, which is a combination of the current node and its template/view information
The main JCR node being rendered, which is the root node of the current page
Jahia's rendering context, it provides access to all kinds of context information, such as the current request, response, user, mode, mainResource and more
A context object that gives access to the underlying Jahia Java objects that are part of the current rendering context