its shows architecture of the program
A right arrow.
Commands displayed in the start menu that have arrows on the right indicate that a submenu is available for a command. A submenu is a second-level menu. Ex. "My Recent Documents" usually will have an arrow to the right of it. When you access your recent documents, you are actually accessing a submenu.
but what is the answer
A submenu is a secondary menu that appears while you are holding the cursor over an item on the primary menu.
Submenu
potato
Submenu
submenu
Submenu
Programs that can be opened
submenu
clear