One main theme could be survival. When lost in the woods, the characters likely have to find ways to stay alive, like finding food and shelter. Another might be self - discovery. Being alone in such a situation can make a person learn a lot about themselves.
There might be a young child who wanders off into the woods and gets lost. The child could be a main character. Or perhaps an old man who has some special skills for survival in the woods but still gets lost. In some cases, there could be a forest ranger who gets lost while on duty in the woods and he or she is the main character.
In a 'girl lost in woods story', she could have been separated from her group during a camping trip. She would have to rely on her survival skills, if she has any. She may try to find food like berries or nuts. At the same time, she has to be careful of dangerous animals. She might start a fire using sticks and dry leaves to keep warm and signal for help. As she wanders, she might discover a hidden path or a landmark that gives her hope of finding her way out.
The Harem of the Qing Dynasty was a famous online novel about the life of the three emperors of the Qing Dynasty, Kangxi, Yongzheng, and Qianlong. Among them, Long Yearning was a famous flute song that often appeared in novels as a background music. Xiao songs were usually used to convey a kind of deep affection, sadness, and sadness. Therefore, in novels, they were often used to express the psychological state of the harem women.