Each question arc game contains all of the previous question arcs. Each answer arc game contains all of the previous answer arcs. Each arc in this series contains all of the previous "Chiru" arcs. A steelmaking arc furnace, by comparison, arcs in the open. All four sides of a rectangular pyramid intersect the sphere's surface in great circle arcs. Storylines linked multiple episodes to form distinct "story arcs". Also there are five circumferential roads forming a series of concentric semi-circular arcs around Manila. The lines, circles, arcs, and curves are created within the software. The design consists of interlocking circles pieced with small arcs of fabric. The series is divided into two story arcs. Each hardcover contains two story arcs from the series. There are three story arcs in the series. Other changes included altering some of the arcs of the female characters in the book. Ishibumi has grouped the light novels into story arcs. The main series was broken up into several story arcs.