There are a couple of expressions which will be used throughout this presentation.
Frontend - is the website which can be viewed by anyone.
Backend - is the TYPO3 workspace where editing is done.
Filelist - storage of files that are being used on the website.
Elements - are the building blocks of which the web pages content are created with.
Plugin - Modules like news, banners and slideshows.
Page tree - The page structure on which the website is built on.
Grid elements - these elements are used to create columns in content areas. There are grid elements that have fixed sizes for the columns, but also ones where you can set the ratio between the columns. Grid elements also contain functions like collapsible content and tabs.