This topic covers the text added to the topic object when you're working in the Editor. In addition to the text and headings, Related Topics Group headings should be translated. For example, In this Chapter, In this Section, and See Also.
Translatable content in the Topic - topic text
Translatable content in the Topic Properties:
When is a variant of the object created?
A variant of the Topic object is created if there is any translatable content in the topic object - topic text or content in the fields listed for the topic properties. That is, the content is not inherited from the template.