A busy cafe in suburban Adelaide switches from a printed chalkboard to a digital menu board. The owner expects to update the menu from a phone, run breakfast specials in the morning and lunch items from midday, and eventually roll the same system out to a second location. Six months later the screen

On the surface, digital signage can appear simple. Operationally, systems are built from several elements.Behind every screen, components work together. Understanding this structure clarifies implementation choices.Core components of digital signage systems