Details of functionalities for collections management

From the management interface the administrator must be able to accomplish the following operations :

Concerning Collections

To create a collection or sub collection by affecting it a title and by positioning it within the tree of collections.
To edit the title of the selected collection and/or to move it within the tree of collections.
To remove a sub collection (or even all collections on the system) and all the content inside it (in a recursive way).
To create a set of sub collections and put it all inside a parent collection.
To remove a set of collections and all the content inside them by selecting those collections on the interface.

Concerning Pages

To attach a page to a collection or sub collection by selecting it from the list "orphans pages" witch were uploaded via FTP to the system and aren't yet assigned.
To edit the page title.
To move the page to an other collection or sub collection.
To delete a page from the system. (Question : delete at the time the physical file in the server or it will be an other administration task?)
To delete a set of selected pages whatever they are.

Concerning Researches The administrator will must be able to