Electrical network is a interconnection of electrical components or a model of such an interconnection consisting of electrical components
Today in our generation you should give importance to electrical networks because it is the interconnection of electrical components for example the batteries which your phone is up to. Resistors for example the light bulb which turn your dark knight into something brighter, toaster for your toasted bread every morning, hairdryer to dry your wet hair the volume control on tv and radio and etc. Also electrical networks is a model of such an interconnection consisting of electrical elements for example current sources, resistance, Inductance and capacitance which helps your work easier.