This document discusses different management styles and structures. It outlines a pyramidal structure which is hierarchical with stiff HR management and resistant to change. A matrix organization is described as having interactive relationships based on feedback, a dynamic HR model ready to react, and stimulating a creative mindset. Communication styles discussed include a straight or direct North American style which is quick and focused but risks confrontation, and a softer diplomatic style which requires self-control but risks missing the target or becoming ambiguous.