Information technology

LibreOffice Writer 

https://www.libreoffice.org/

https://documentation.libreoffice.org/en/english-documentation/

https://documentation.libreoffice.org/assets/Uploads/Documentation/en/WG71/WG71-WriterGuide.pdf

1. Page, header, footer, margin, paragraph, alignment, fonts (serif and sans serif fonts), tabs
2. Printed and non-printed characters
3. Direct formatting
4. Short and long documents
5. Working with styles
6. Automatic tables (table of contents)