why is it the proxy war called the cold war

Recently, non-Western regional and international powers began to imitate Western countries and initiated proxy wars in different parts of the world.

The global powers, primarily Western countries, continued to wage indirect wars after the Cold War. Also, they were largely ideologically driven wars. Since the two superpowers did not want to risk their national security, they tried to expand their respective sphere of influence by mobilizing and supporting their allies to prevent the proxies of the other side from increasing their effectiveness in international politics. The proxy wars during the Cold War aimed to prevent a possible mutual assured destruction. Their proxies fight each other they control the tide of the war from behind closed doors by procuring military equipment and by providing economic and financial assistance to wage war. Therefore, they prefer to engage in indirect battles, as the two superpowers, the United States and the Soviet Union, did during the Cold War. Considering the devastating effects of new-generation weapons, global powers cannot launch direct wars against each other.

Why is it the proxy war called the cold war