I'm learning kanji and they are a lot of kanji that have the same or different meaning as other kanji. I would like to know when to use one kanji or word over another?
林（はやし）= woods, forest
森（もり）= woods, forest
森林（しんりん） = woods, forest
“林” emphasizes the plants or trees in the area,while “森” underlines the density of the trees or plants in the area.Therefore,“森林” as a combination of “森” and “林” refers to a forest.As kanji originates from China,you can also read some ancient Chinese books such as 《诗》、《书》、《礼》、《易》、《乐了》、《春秋》if you want to know more about Kanji or 汉字（Hanzi ）in Chinese.