a museum curator points to different historical artifacts arranged in a long display case. She guides visitors from left to right, showing ancient pottery first, then medieval armor, followed by colonial furniture, and finally modern inventions. The artifacts are positioned in perfect historical sequence from oldest to newest. Visitors follow her finger as she traces the timeline, nodding in understanding as they see how each item came after the previous one in history. events being arranged and presented in the order in which they occurred in time