To do the following:

Press:

Move the cursor one character to the left

Left Arrow

Move the cursor one character to the right

Right Arrow

Move the cursor to the beginning of the line

HOME

Move the cursor to the end of the line

END

Move the cursor to the first selection in the visible part of a drop-down list

PAGE UP

Move the cursor to the last selection in the visible part of a drop-down list

PAGE DOWN

Move the cursor to the next field or selection

TAB

Move the cursor to the next group stop field

ENTER

Move the cursor to the previous field or selection

SHIFT+TAB