The following menus are available in the 2D scene editor's main window...
Edit Menu
Undo - Reverses the most recent change that you have made.
Redo - Re-applies the last change that was canceled with an 'Undo'.
Cut - Copies the selection to the clipboard, and removes it from the workspace.
Copy - Copies the selection to the clipboard without removing it from the workspace.
Paste - Copies contents of the clipboard into the current workspace.
Duplicate - Replicates the current selection.
Remove - Removes the current selection from the workspace.
Edit Scene Script - Allows you to edit the top level script in the scene.
Scene Properties - Opens a dialog that allows you to configure various settings for your scene. (See 2D Scene Properties for more information).
View Menu
Overview - Does a Zoom To Fit once.
Zoom To Fit - While checked, this will automatically zoom the document to fit inside the workspace window.
Zoom Level - Zooms the document to a fixed scale.
Select All - Selects every object in the scene.
Select None - Deselects everything.
Lock Selection - While enabled, the selection cannot change.
Restrict Mouse To X - Only Screen X mouse movement is used.
Restrict Mouse To Y - Only Screen Y mouse movement is used.
Insert Menu
Clicking any of these options will create an object in the scene of the selected type.
Format Menu
Make Group - If you have selected several objects, this option will put them into a single group that you can move and transform as one object.
Break Group - If you have a group selected, this reverses the Make Group operation.
Tools Menu
Edit XML Source - Allows you to edit the source code that defines the scene. This is an advanced feature that gives you full control over your data.
Media Playlist - Add and remove audio/video files that will be played in order.
Window Menu
Default Layout - Resets the position and size of all of the property windows in the scene editor.