The word "阵地" is formed by combining the character "阵", which depicts a military formation through its components "阝" (representing a mound or defensive elevation) and "车" (representing a chariot or vehicle), with the character "地", meaning ground or earth, composed of "土" (soil) and "也" (primarily phonetic). Together, they literally refer to the ground or terrain where a military formation is established, thus conveying the meaning of a fortified position or battlefield.