Ydinviestien

Ydinviestien is a term used in Finnish-language discourse to refer to the essential content of a message—the core messages that persist across channels and interpretations. The form ydinviestien is the genitive plural of ydinviesti, formed from ydin (core or nuclear) and viesti (message), with the suffix -ien indicating genitive plural. In information theory and communication studies, ydinviestien is used metaphorically to describe the minimal information units necessary to convey meaning despite noise and distortion. In political communication, it denotes the main claims a speaker aims to establish and maintain, often identified in media analysis as the lead thesis. The term is not standardized across Finnish glossaries and appears primarily in academic articles, think-tank briefings, and certain media commentaries, where its exact meaning varies by author and context. Related topics include core message, summary, information theory, and crisis communication.