Working from concealment at 30 yds on a 6 inch knockdown plate. Identifying the threat, drawing from concealment, building your grip, finding a focal point, and indexing on the target. Then, pressing rounds off accurately and with urgency while paying attention to your background. To say nothing of the stress of the moment. This is a skill that needs to be practiced because these distances are a reality. Grocery store aisles, churches, atriums, parking lots, big box stores, etc. Build confidence in the capabilities you do have and recognize the skills that need work.