CLEAN : "Our morale is extremely positive": Ukrainian soldier fighting in Donbas

The video discusses the importance of communication tools like radio and Internet for students. It highlights the challenges faced during winter, such as the cold and lack of hiding places. The video also touches on the use of channels for communication and briefly mentions other topics like semester and texture.

How do the conditions of winter affect the visibility of the environment?

What is meant by 'the channel' in the context of communication?