Extract, transform, load (ETL)
A three-phase process where data is extracted, transformed (cleaned, sanitized, scrubbed) and written (loaded) to a data destination. [Wikipedia link]
FTP/SFTP
File Transfer Protocol/Secure File Transfer Protocol. A standard method of transferring files on a computer network. FTP, developed in 1971 has generally been superseded by the more secure SFTP although the terms are often used interchangeably. [Wikipedia link]
Hypertext Transfer Protocol (HTTP)
An application-layer protocol for transmitting hypermedia documents, such as HTML. The foundation of the World Wide Web.[Wikipedia link]