What is a Theme Framework?A Theme framework is a Theme designed tobe a flexible foundation for quickerWordPress development, usually serving as arobust Parent Theme for Child Themes.Some Theme frameworks can also maketheme development more accessible,removing the need for programming ordesign knowledge with options pages. http://codex.wordpress.org/Theme_Frameworks
What Is a Child Theme?A WordPress child theme is a theme thatinherits the functionality of another theme,called the parent theme, and allows you tomodify, or add to, the functionality of thatparent theme. […] That way, when the parenttheme is updated, your modifications arepreserved. http://codex.wordpress.org/Child_Themes
Why Genesis?• We trust the code of the people who build it• It’s got a good licensing deal: you buy it once and get upgrades and support forever. Plus you can use it on as many sites as you want.• There’s an SEO Data Transporter to migrate to/from other themes with SEO plugins• Genesis is released under the GPL License• Genesis makes it easier for your clients to customize their sites.