The zoom bar allows you to set the zoom factor of the editor.

Grid Setup. A click on this icon opens the grid setup dialog box.

Show grid: click on this button to see the grid on the frame.

Snap to Grid: click this button so that the objects snap to the grid nodes.

Font selection: only active when a text oriented object is selected. Opens the font selector.

Bold: click this button to turn the selected text into bold.

Italics: click this button to turn the selected text into italics.

Underline: click this button to underline the selected text.

Text color: open this combo box to choose a new color for your text.

Left align: click this button to align the text on the left.

Center: click this button to center the text.

Right align: click this button to align the text on the right.

Center Frame: this button centers the currently selected object in the editor's window. If no object is selected, the frame is centered.