You might find this introduction to the different flavors of TeX useful: https://www.overleaf.com/blog/500-whats-in-a-name-a-guide-to-the-many-flavours-of-tex h

You might find this introduction to the different flavors of TeX useful: https://www.overleaf.com/blog/500-whats-in-a-name-a-guide-to-the-many-flavours-of-tex https://www.overleaf.com/blog/500-whats-in-a-name-a-guide-to...