This image contains 7 layout diagrams, 4 with one column and 3 with two columns. Each diagram has a basic version and a themed version.

In each themed version, the main body section has a thick blue border with a mild gradient and rounded bezels. The plot area has a white-to-gray gradient background.

The one column diagrams are as follow:

• The first layout has one body section that spans the entire plot area.

• The second layout has one header section followed by a main body section.

• The third layout has one header section, then the main body, and then a footer section.

• The fourth layout has the main body section first, then a footer section.

The two column diagrams are as follow:

• The first layout has a left sidebar section and the main body.

• The second layout has the main body and a right sidebar section.

• The third layout has a full height left sidebar, and the remaining area has a header section and the main body. The themed version has a white plot area inside the blue border to differentiate between header and body.