This document discusses key concepts related to organizational culture, including cultural traits, complexes, patterns, ethos, and themes. It defines organizational culture as the underlying beliefs, values, and assumptions that guide member interactions and relationships with the external environment. Cultural traits are characteristics acquired socially and transmitted between people, while cultural complexes represent clusters of interrelated traits. Cultural patterns consist of shared beliefs, values, norms, and practices. Ethos refers to an organization's principles and climate to its characteristic attributes. Themes capture ideas specific to a given culture.