Terminological wars: analysis of disciplines, approaches and methodologies in the framework of "usability"

Published the fifth (and penultimate) episode of the series "Terminological Wars." In a series of articles, various concepts were analyzed in detail within the framework of computer activity design, classes of concepts were singled out, and quite detailed descriptions of them and recommendations on their use were given.
The first episode tells about why we, in fact, need to understand the terminology.
In the second episode, various classes of concepts are highlighted.
In the third episode, various concepts have been disassembled, which pretend to cover the entire area of ​​computer activity design and User Experience Design is chosen as such.
The fourth episode describes what disciplines the UXD consists of and what is its structure.
In the fifth episode it is told about the approaches, and in the sixth (preparing to exit) - about specific design methodologies.

After the publication of the last part, a single pdf document will also be submitted.