Active white space – blank areas on a Web page that are placed on purpose
Alignment – means that the content of a page has the same alignment
Consistency – to have uniformity form page to page
Grid – a conceptual design tool that divides a page into rows and columns in order to help the Webmaster structure the layout of a page
Passive white space – the blank areas on a Web page that are a result of incomplete or mismatched shapes
Proximity – refers to how close one element is to another
Repetition – the process of repeating elements throughout a Web site
