What is FTP?

FTP (File Transfer Protocol) is a method used to transfer files between a computer client* and a server* over the Internet. It allows users upload, download, and manage files on a website’s server. Web developers and administrators often use FTP to transfer large files, such as website content, images, and videos, between their local computers and the hosting servers.

What you need to know about FTP:
• Supports transferring multiple files and directories at once.
• Allows resuming uploads/downloads if the internet connection is interrupted.
• Lets you queue items during the upload/download process.
• Enables scheduling file transfers.
• Handles large file uploads with ease.

* FTP account: An FTP account is a user login information like: Server host, UserName and Password that lets you connect to a server to upload, download, or manage files. This account is commonly used by website administrators/developers to transfer files to and from a server.

* Client: The client is the device or computer you use to start a file transfer. It sends requests to upload or download files. For example, when you use an FTP client like FileZilla, your computer “the client” sends commands to the server.

* Server: The server is the remote computer or web hosting system that stores the website contents. It responds to the client’s requests by allowing file uploads, downloads, or any other file management tasks. The server typically holds website files, application data, or any content that needs to be accessed or modified by the client.

You may also refer here for a guide on uploading website content via FTP.