HTC G2 To view other parts of the Home screen

Android basics 31
T-Mobile G2 User’s Guide
To view other parts of the Home screen
SSlide your finger left or right across the Home screen.
The six extensions to the Home screen provide more space for
widgets, shortcuts, and other items. For more on sliding, see
“Using the touchscreen” on page 35.
Small dots at the lower left and right indicate which screen you’re
viewing.
STouch & hold the small dots on the lower left or right of the screen
to view thumbnails of the Home screen and its extensions, which
you can touch to open.