FTP Client is either a
feature that allows accessing to a remote computer over the Internet anonymously
or using an ID and password in order to copy files between the remote computer
and a local computer or vice versa.
What you can do with FTP Client:
Upload files to FTP server from your computer.
Download files from FTP server to your computer.
Manage files on remote server: create folders, rename or delete files.
Set file permissions (Linux servers) on server.
Use Site Manager feature to store server addresses.