{interaction} is about moving from one part of the document to the other by clicking on a link in the document. In LaTeX, interaction is provided by the {hyperref} package. In ConTeXt, interaction is enabled using \setupinteraction[state=start]. It can also refer to the mode in which you interact with TeX itself.
{interaction} is about moving from one part of the document to the other by clicking on a link in the document. In LaTeX, interaction is provided by the hyperref package. In ConTeXt, interaction is enabled using \setupinteraction[state=start]. It can also refer to the mode in which you interact with TeX itself, i.e. nonstopmode, errorstopmode, etc.