Cultural orientation is your chance to make clear the culture you want and how you intend to get it. What behaviors will be rewarded? Which ones will be discouraged or severely punished? People’s receptivity when they join, and the lasting impact of first impressions, is why the new-employee process is the most important one to get right. If your company’s process for recruiting, interviewing, orienting, training, and integrating new employees is intentional and systematic, great. If any part of it is accidental, then so is your culture.