In fact, we all know that the tab is a jump grid key, such as writing an article when the beginning of the two grid can be used to this key. But it has other effects, such as jumping from the front to the grid in the table. From one item to another in the program interface. Programmers use it to implement the formatting alignment of program text. In addition, it is often used in conjunction with other control keys. To achieve reverse or cross-distance jump and other special jumps.
In the Windows dialog window, there are often many tabs, each with a number of items, a flexible combination of tab and control keys that you can move between these tabs and items (Figure 1).
Switch between open projects in Windows. If you have many faces open, use ALT + TAB to open a list window and press the TAB key without releasing the alt from. You can choose to switch between open items.
The role of the TAB key:
Ctrl+tab move forward between tabs; Ctrl+shift+tab move backward between tabs.
tab to move forward between options; Shift+tab move backwards between options.