The officers would respond to neighborhood problems as their primary responsibility and build relationships with the residents to better understand and address their needs.
Likewise, the local ambulance service may feel it has primary responsibility, because it is responsible for the wellbeing of anyone injured by the incident.
It was charged with the primary responsibility for the allocation of producer goods to enterprises, a critical state function in the absence of markets.
His primary responsibility was to oversee training program design; specifically, maintaining or increasing an individual's productivity, motivation, and creativity.