Culture (of an organization)
Definition 1: the specific collection of values and norms that are shared by people and groups in an organization
that control the way they interact with each other and with stakeholders outside the organization.
Source: Glossary of terms, My first step with the EFQM Model 2010
Definition 2: Culture is a competitive advantage in organizations mainly to the extent to which it is a common, consensual, integrated set of perceptions, memories, values, attitudes, and definitions. It is a common, consensual, integrated set of perceptions, memories, values, attitudes, and definitions.
Source: Cameron, Kim.S., and Quinn,Robert, E., Diagnosing and Changing Organizational Culture, Revised edition, Published by Jossey-Bass A Wiley Imprint , San Francisco, CA, 2006.