Toolbar
The toolbar provides quick access to most functionality in Civ3Edit. From left to right, the toolbar icons are as follows:

New File, Open File, Save File, Cut, Copy, Paste, Undo, Redo, View Grid, Select Terrain Brush, Select Resource Brush, Select Overlay Brush, Terrain Brush Size 1x1, Terrain Brush Size 3x3, Terrain Brush Size 5x5, Terrain Brush Size 7x7, Generate Map, Scenario Properties, About, Help