Its only UNIVERSAL if it runs on ALL Devices.
Win 32/64 .exe = Windows PROGRAM - (To become known as Windows Desktop Program / App)
Win 8 App = METRO APP (TIFKAM) - dont worry there are only a hand full of these.
Windows 10 App = Windows 10 APP - (to be known as just Windows app when Windows 15 comes out)
Android App = Android APP
iOS APP = iOS APP
HTML 5 APP = UNIVERSAL APP (as should run on any system with an HTML 5 compatible browser)