https://www.w3schools.com:443/html/html_blocks.asp
HTML Block and Inline Elements
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML...
html block and inlineelements
https://www.w3docs.com/learn-html/html-block-and-inline-elements.html
HTML Block and Inline Elements | W3docs | W3Docs
All the HTML elements are categorized into two groups: block-level elements and inline elements. See the full list of block-level and inline elements.
html block and inlineelementsw3docs