Pedestrian infrastructure and amenities– refers to the design of the environment that makes it conducive to walking. Pedestrian infrastructure refers to things such as sidewalks and bike lanes, and quality of these. Pedestrian amenities refer to facilities for pedestrian comfort: water fountains, benches, seats at bus stops and publicly available washrooms.
Safety from traffic– refers to walking spaces separated from traffic, traffic volume and noise, intersection safety, and streetlights.
Street visibility from houses– refers to houses being close to street, many windows looking out onto street. This is important for Pedestrian safety and comfort.
Aesthetics– refers to interesting and pleasing things to look at while walking. Trees, parks, nicely kept houses, flowers and shrubs, lack of litter.