SharePoint Feature Element Scope
Farm - this means that the feature will be available on the farm level. You be able to activate it from Central Administration > Operations > Manage Farm Features. WebApplication - this means that the feature will be available on all web applications. You will be able to activate this from Central Administration > Application Management > Manage Web Application Features Web - this means that the feature will be available on the web's site level. You will be able to activate this from Site Settings > Site Features Site - this means that the feature will be available on all site collections. You will be able to activate this from Site Settings > Site Collection Features