Wifi Symbol And Padlock In Front Of Smartphone 3D - Three Dimentional For Scure Wifi Connection Concept Vector Illustration

In computing, an icon is a pictogram or ideogram displayed on a computer screen in order to help the user navigate a computer system. The icon itself is a quickly comprehensible symbol of a software tool, function, or a data file, accessible on the system and is more like a traffic sign than a detailed illustration of the actual entity it represents.