EGI Core Activities and Services are human activities and technical services co-financed by the EGI Foundation that support the day-by-day running of the EGI Infrastructure as a federation of distributed data centres. Core Activities and Services are necessary for the delivery the EGI Service portfolio.The term is used internally by the EGI Foundation, Executive Board and Council in support to the definition of the EGI Foundation annual budget and the distribution of Activities and Services among the participants of the EGI Foundation.