1, FN + Left arrow keys: a row select Left
2, FN + right arrow keys: a line selector right
3, FN + direction keys: Jump header
4, FN + down direction keys: Skip footer
5, FN + SHIFT + Left Arrow | direction keys: to select from the current page header
6, FN + SHIFT + Right Arrow | arrow keys under: from the current first choice to footer
7, CONTROL + COMMAND + G: same as the content selection
8, OPTION + arrow key: the symbol jitter separated