The network activity is composed of neuronal properties (neuron positions and ids) and recorded events from recording devices. Events can be subdivided in two groups: spike events and analog signals. Spike events contain times and ids of the senders emitting events to the recording devices which can be considered as collectors (spike recorder). Analog signals contain continuous quantities from the recording devices aka samplers (voltmeter or multimeter) which query their targets at given time intervals. Network activity can be explored in Activity chart graph ( or ) Activity animation graph (), or Activity statistics ().