This is pretty “old-fashioned” 3 columns layout with content presented at center. On side columns you can present modules with equal importance. The width of side columns can be adjusted conveniently via template parameters.

This is also 3 columns layout with content presented at center, but the left side column was designed to present content of secondary importance comparing to those in right side column. On side columns you can present modules with equal importance. The width of side columns can be adjusted conveniently via template parameters.

This is also 3 columns layout with content presented at center, but the right side column was designed to present content of secondary importance comparing to those in left side column. On side columns you can present modules with equal importance. The width of side columns can be adjusted conveniently via template parameters.

This is 3 columns layout with content presented on the left side, which is typical for blog sites. On right side columns you can present modules with sumplementary information for main content. The width of side columns can be adjusted conveniently via template parameters.