Question

which icon on the Taskbar are used to start a program without opening the start menu​

Answer 1

Answer:

To access the Show App List In Start Menu feature, you right-click on the Taskbar and select Taskbar Settings, as shown in Figure B. When the Settings > Taskbar screen appears, select the Start tabs

I am not sure about the answer...Sorry but maybe it is right and this is what you wanted .

Answer 2

Answer:

ALT+TAB

Explanation:

ALT+TAB icon ont the taskbar used