Aspects of TeX as it relates to the larger world of software or typesetting, or aspects of its general functioning or nature. This is not a default tag for questions that do not admit an obvious more specific classification; it specifically concerns TeX in general.
are you aware of a diagram showing all the connections between tex-related methods/engines. It would use terms such as tex - latex - context - luatex - xetex - xelatex - pdftex - pdflatex - etex and ...
TeX and LaTeX are widely used in Computer Science. What other academic disciplines or professionals use it?