Don't Word Wrap turns word wrapping off.
Drawing Tools opens the 2D Drawing palette to create and edit graphics.
Dynamic Updating Enabled toggles automatic evaluation associated with dynamic objects.
Editable toggles whether a cell can be edited or not.
Edit Stylesheet edits the style definitions for the current notebook.
End Subexpression moves the cursor from a subexpression to the expression at the n\[Null]^th level.
Enter Selection places a selection into the Search for: field of the Find dialog box.
Evaluatable toggles a cell between evaluatable and unevaluatable. Only evaluatable cells can be sent to the kernel.
Evaluate Cells sends the selected cells to the kernel for evaluation.
Evaluate Initialization Cells evaluates all initialization cells in the notebook.