Having learned of Mitsunari Ishida's taking up arms, Ieyasu Tokugawa decides to march his massive army to take him on at Sekigahara. Nobuyuki Sanada, who had parted with his brother Yukimura in the lead-up to this event, would have to join the fray as part of a unit separate from Ieyasu's, and under the control of his son Hidetada.
is a tiny plain surrounded by mountains on all sides.
يوجدُ سهلٌ صغير مُحاط بجبالٍ من كافّة الجهات
ist eine kleine Ebene,
est une petite cuvette
entourée de montagnes.
è una piccola pianura circondata dalle montagne.
é uma pequena planície cercada 
de montanhas por todos os lados.