|Navigation menu (nav) and sidebar (side_b)|

[01. Elements for layout]
[1-3 Navigation menu (nav) and sidebar (side_b)]
:
In configuring the layout of a web page, we previously looked at the elements that make up the header, footer, and main content. It seems like it guides you through all the elements that make up the layout, but I think that's not the case. This is because there are nav elements and side_b elements that represent navigation. The nav element mainly represents the top menu applied to the entire web page, and the side_b (aside) element also represents content remaining in addition to the main content.