They help the user identify the program associated with the icon and are used with Graphical User Interface operating systems such as Microsoft Windows or Apple Mac OS.
ພວກເຂົາຊ່ວຍໃຫ້ຜູ້ໃຊ້ສາມາດລະບຸໂປແກຼມທີ່ກ່ຽວຂ້ອງກັບໄອຄອນແລະຖືກ ນໍາ ໃຊ້ກັບລະບົບປະຕິບັດການແບບ Graphical User Interface ເຊັ່ນ Microsoft Windows ຫຼື Apple Mac OS.