Ensuring critical information is easily perceived.
People search, gather, interpret and organize information in their environment using their senses. Therefore, spaces need to be multi-sensory.
For those who rely predominantly on sight- signage, sight lines, and visual safety signals are important. For those who rely on hearing and touch to get around, sound and tactile materials can be used to communicate information.
This is important in everyday use, but especially so in cases of emergency, where awareness and communicating important information quickly is crucial.