This category contains a set of pages in a particular group. It should only contain individual green symbols, as well as subcategories and lists of green symbols. Topics related to the set or an individual green symbol should be placed in relevant topic categories, such as Category:Symbols.
This is a set category. It should only contain pages that are green symbols or lists of green symbols, as well as subcategories containing those things. Topics about green symbols in general should be placed in relevant topic categories. Categories related to only an individual green symbol should not be in this category.