Page Designer Walkthrough and Reference
One of the challenges to productivity in versions of APEX prior to 5.0 was the need to drill down into the specific item you wanted to edit before you could change any of its properties. This meant learning where these items existed in the Tree View, the context menus, and the actual edit screens. It also meant that editing multiple items on a page could be quite tedious.
APEX 5.0 has completely reengineered the process of building and editing pages. The familiar Tree View that was introduced as part of APEX 4.0 has been retired and replaced by a new Page Designer. No longer do you drill down ...