What is a tech stack?

A cloud-based platform that connects various applications, systems, and technologies within the cloud or on-premise.
A series of rules that allow for an application to extract and use information from a piece of software in their own application.
A group of technology-based tools that help businesses to operate effectively, market efficiently, and enable sales and service teams to provide an optimal customer experience.
A technology for managing all your company’s relationships and interactions with customers and potential customers.

The correct answer is:

A group of technology-based tools that help businesses to operate effectively, market efficiently, and enable sales and service teams to provide an optimal customer experience.