Main – <main> – HTML element, mis määratleb lehe põhisisu, eristades seda korduvatest elementidest, nagu navigeerimine või jalus.

Margins – The CSS margin properties are used to create space around elements, outside of any defined borders. Margins define the distance between an element’s border and the surrounding elements.

Meter – HTML element is used to display a scalar measurement within a range.<meter>