frontend/default/default/template/catalogsearch/term.phtml
Mage_CatalogSearch_Block_Term
frontend/default/default/template/page/html/notices.phtml
Mage_Page_Block_Html_Notices
frontend/default/default/template/page/html/header.phtml
Mage_Page_Block_Html_Header
frontend/default/default/template/catalogsearch/form.mini.phtml
Mage_Core_Block_Template
Default welcome msg!
frontend/default/default/template/page/template/links.phtml
Mage_Page_Block_Template_Links
frontend/default/default/template/catalog/navigation/top.phtml
Mage_Catalog_Block_Navigation
Category Navigation:
frontend/default/default/template/page/html/breadcrumbs.phtml
Mage_Page_Block_Html_Breadcrumbs