[sundbry]

There are two separate meanings of the term server.

1) An application which runs on a network and services clients 2) A dedicated computer which runs server applications.

[ngcc_hk]

Serverless as 3) An application which run on a network and communicate with others on an equal status, you cannot distinguish one node from the others based on the source code or the logic it is running. In a sense even amazon serverless platform is not server less but it is server lite.