The CKEditor module allows Drupal to replace textarea fields with CKEditor. CKEditor is an online rich text editor that can be embedded inside web pages. It is a !wysiwyg editor which means that the text edited in it looks as similar as possible to the results end users will see after the document gets published. It brings to the Web popular editing features found in desktop word processors such as Microsoft Word and OpenOffice.org Writer. CKEditor is truly lightweight and does not require any kind of installation on the client computer.