olemus
iseloomulik väljendus- või sooritusviis

Wiktionary:
3. a particular manner of creating, doing, or presenting something, especially a work of architecture or art
3.4 (printing, publishing) a set of rules regarding the presentation of text (spelling, typography, the citation of references, etc.) and illustrations that is applied by a publisher to the works it produces

näiteid
ISO/IEC/IEEE 24765:
keelespetsiifilne dokumenteerimisreeglistik, mis hõlmab grammatikat, terminoloogiat, kirjavahemärke, suurtähe kasutamist ja sõnavalikut
= set of language-specific editorial conventions covering grammar, terminology, punctuation, capitalization, and word choice of documentation

https://www.thespruce.com/top-architectural-styles-4802083

https://arlisftc.wordpress.com/style-categories-style-tribes-list/

ülevaateid
https://en.wikipedia.org/wiki/Style