Understanding Aptana Projects
Projects are collections of files and allow advanced functionality, such as source control. You can edit files inside a project, or just drag files in from the desktop or File Explorer.
 
Code Assist Profiles
Shows the JavaScript files currently in use as libraries. Content assist for JavaScript will come from these files. To code against a library such as dojo, drag the file into here. Opening an HTML file will auto-add referenced files.
 
Outline
A visual outline of the structure of your currently open document. See here for details.
 
 
 
Project Navigator
The project navigator allows you to manage the files listed as part of projects you have loaded. You can import files into existing projects, or create new projects from scratch.
 
Problems view
The problems view shows you errors and warnings in your code. You can press the "warning" button at the top of the screen to toggle warnings on and off.