A SharePoint deployment typically has different types of sites, with different levels of governance. The central published site usually has tight governance over structure and information, whereas group and team sites have less restrictions and more flexibility.
This guidance is around team sites, where although the site collection must initially be set up by a SharePoint administrator, at least some team members have administration permissions to the site and can manage the site schema and structure. Continue reading SharePoint 2013 – Team Site Guide(11 min read)