There is a folder called "repository" in your Moodle directory. This houses the code for all the repositories Moodle accepts, such as Google docs, Flickr etc. Remote site location: /htdocs/repository...
No. You can use a repository to get files from elsewhere and bring them into Moodle. They are not for uploading files into it. Repositories are for "pulling" content into Moodle; not for "pushing" it ...
An admin can use the up and down arrows ( )in Settings > Site administration > Plugins > Repositories > Manage repositories to set the order in which repositories are shown in the file picker. ...
An admin can enable additional repositories which then appear in the file picker. To enable it Go to Settings > Site administration > Plugins > Repositories > Manage repositories. ...
The file system repository allows users within Moodle to access files which have been uploaded (e.g. via FTP) into designated folders on the server. A file system repository may be available site wide...