Apple Final Cut Pro 5 - Manual (Page 141)

140 Part II Learning About the Final Cut Pro Interface
Note: You can also resize and move the Tool Bench window, a window used for
specialized editing, including audio mixing and recording voiceovers.
For example, you may want to increase the height of the Timeline while simultaneously
shrinking the size of the Viewer and Canvas to work on a sophisticated multitrack
sequence. You could also enlarge the Browser while shrinking the Timeline to perform
multicolumn searches for clips in the Browser as you edit.
When you’re viewing windows arranged together on a single monitor, you can drag the
border between any aligned group of adjacent windows to quickly resize all the
windows at the same time.
Default Two Up layout
Layout after making the
Browser and Timeline
larger and the Viewer
and Canvas smaller.