92 ITU‐T's Technical Reports and Specifications Ref. No. Category Definitions/Features Key concept/ Keywords Source 64 Government/ International organization Smart cities should be regarded as systems of people interacting with and using flows of energy, materials, services and finance to catalyse sustainable economic development, resilience, and high quality of life; these flows and interactions become smart through making strategic use of information and communication infrastructure and services in a process of transparent urban planning and management that is responsive to the social and economic needs of society. People, quality of life, energy, materials, sustainable, economic, urban planning, society. European Commission (2013) 65 Government/ International organization A \"city\" can be defined smart when systematic information and communication technologies and resource‐saving technologies are used to work towards a post fossil society, to reduce resource consumption, enhance permanently citizens' quality of life and the competitiveness of local economy – thus improving the city's sustainability. The following areas are at least taken into account: energy, mobility, urban planning and governance. An elementary characteristic of a smart city is the integration and cross‐linking of these areas in order to implement the targeted ecological and social aspects of urban society and a participatory approach. Energy, mobility, urban planning, governance, integration, ecological, ICT. Homeier‐City of Vienna (2013) 66 Government/ International organization Create a real shift in the balance of power between the use of information technology by business, government, communities and ordinary people who live in cities. Power, information technology, business communications, government, people. Deakin‐European Commission (2014)