Any way to edit Term Page?
It is default behaviour to show content tagged with that term. It does not copy content, it just runs a SQL query against it. You can control it easily by activating the view 'Taxonomy term' that is installed but inactive. Through that view you can more easily control how the associated content is displayed.

There are also various hook and theme functions that you can implement to change the output, such as hook_taxonomy_term_view_alter, template_preprocess_taxonomy_term etc.

Look at this post for more detail on that: Custom taxonomy term pages

There might be situations where you do not want your taxonomy terms to be links (to similar content tagged with that term). In that case you can set the field display formatter (which is link by default) to plain text.