The term ‘serverless’ is used to define a segment of The phrase cloud computing refers to any software running on infrastructure provided by a PaaS such as Microsoft Azure, Amazon.... Even though there are servers involved, you do not maintain and run the servers within your infrastructure or organisation or directly interact with them. You have offloaded the operation and underlying hardware to a cloud provider.
Serverless involved the ability to run small snippets of code or databases without an underlying hardware server being involved in the interaction.
These are cloud functions and are serverless in the sense that you do not interact with the server, the infrastructure provider is responsible for making the code run on the underlying servers they maintain.