Headings: The heading element briefly describes the subject of the section it introduces. Heading elements go from H1 to H6 with the lower numbered headings being most important. You should only use a single H1 element on each page, and may want to use multiple other heading elements to structure a document. Heading elements may be styled using CSS. Many content management systems place the same content in the main page heading and the page title, although in many cases it may be preferential to mix them up if possible.

 

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Headings: The heading element briefly describes the subject of the section it introduces. Heading elements go from H1 to H6 with the lower numbered headings being most important. You should only use a . . . View Full Definition

Deviation (Of Compass): The deflection of the needle of a magnetic compass due to masses of magnetic metal within a ship on which the compass is located. This deflection varies with different headings of the ship. . . . View Full Definition