What are the 4 main parts of any website layout?

[Guest]

Together these parts form the backbone of your website:
Header & menu. The header is the uppermost part of a website. ...
Images. Immediately below the header is some form of image, series of images or sometimes a video. ...
Website content. All sites contain content. ...
Footer. ...
Logo. ...
CTA. ...
Blog. ...
Forms.

[lisajohn]

Four key elements of designing an effective business website are:
Technology (Platform)
Graphic Design.
Information Architecture.
Content.