Magento - Create a structure block for the home page

I would like to create a structure block (or reference) for my home 开发者_JS百科page magento, on full width of the page to put a welcome text and a banner in it, under that I want to create a design with 3 blocks. What is the best way to do this?

Thanks a lot.

As usual, create your extension and add a block , layout and template to it and reference it to place that suits you most. If you don't want to make extension then add the references to CMP/pages part of magento by customizing the home page for example