First level header

h1

The h1 element is a header identifying the following paragraphs as being summary in nature, containing introductory material.

Objectives and abstracts are often preceded by an h1 element.

Chapters of a book are often introduced using an h1 element.

The elements h1 through h6 form a structural hierarchy for an article and may be used to build a table of contents.

Example

h1 Ordering and Seqeuncing in Formal Compositions

p An outline is a list arranged to show hierarchical relationships.
It is used to present the main points or topics of a given
subject. Each item in an outline may be divided into additional
sub-items. If an organizational level in an outline is to be
sub-divided, it must have at least two subcategories. A single
subcategory should never appear alone in a hierarchy.
The h1 element

semantax > heading-text > h1First level header

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