When i try to copy a template from wikipedia to my own wiki, there is a lot of sub-templates associated with it. Do i have to copy paste each sub-templates associated with it to my own wiki which is using mediawiki?
go to https://en.wikipedia.org/wiki/Special:Export and write your template name. you can export anything (article, template, categories, modules, etc.). after download the file your can import it to your wiki via https://yourSiteName.com/wiki/Special:Import.