DiazCarrete, (edited ) 
"a language for describing the rendering of structured documents [...] on screen, on paper, etc"
"renders it onto a canvas such as your screen, a piece of paper, or an audio stream."
"Each box in the box tree represents its corresponding element [...] in space and/or time on the canvas"
"the aural box tree"
🔗 https://www.w3.org/TR/css-display-3/
🔗 https://www.w3.org/TR/CSS/#terms
🔗https://stackoverflow.com/questions/16936297/when-does-a-box-establish-an-inline-formatting-context
🔗 https://developer.mozilla.org/en-US/docs/Web/CSS/Inline_formatting_context
🔗 https://developer.mozilla.org/en-US/docs/Glossary/Inline-level_content