To view the contents of a folder, click on the folder name in the folder list. This will immediately give you a list view of the folder and it's sub-directories.
As owner of the folder you can either add others or revoke rights to members or halt sharing to members.
You can also inherit your ownership to other member.
Shares a file via link. If it's a directory a link will be created as well, but the download will be a ZIP file with the contents of the directory.
You can only share a file or directory via link if you are an ADMIN or OWNER of the folder.
Beside the list view, the cloud web interface offers four other views on files and sub-directories of a folder: