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 female lead of "Love on the Road" was a lost direction, but she was also a female lead who was both a confused lady and a designer. She met a big shot in the industry, Mr. Xing. Their love story was a little interesting, full of sweetness and humor. I'll recommend it to you. I hope you like my recommendation. Muah ~
The story could end with the character having a moment of self-realization and inner strength that leads them to find their way. Or maybe they get lost only to end up in a new and wonderful place that changes their perspective. It depends on the tone and theme you want to convey.