Each type of unit has its own icon: destroyers are shown as triangles, torpedo carriers are displayed as horizontal rhombuses, bombers are represented as vertical rhombuses, etc.

• 每个类型的单位有它自己的图像:驱逐舰被显示为三角形,鱼雷攻击机被显示如水平菱形,轰炸机被表现为垂直的菱形,等等。