olemus
tehnoloogiline kihtarhitektuur
rakenduse või lahenduse moodustamiseks

Wiktionary:
1. a collection of interdependent existing technologies and methods used to create a particular product or service
The PHP programming language is part of the technology stack of many interactive websites.
2. the collection of technologies that one can use in a professional setting
The Lua programming language should be part of the technology stack of an aspiring games developer.

näiteid
- OSI mudel
- TCP/IP-mudel

ülevaateid
http://www.w3.org/Consortium/techstack-desc.htmlhttps://perfectial.com/blog/technology-stack-dilemma-explained/

https://en.wikipedia.org/wiki/Solution_stack