What does header mean in English?

You can learn header Pronunciation, Grammar & Synonyms in this most authoritative English Dictionary.

header Meaning, Definition, Pronunciation, Grammar & Synonyms❤️

0 the act of hitting the ball with your head in football:
- A fine header!
1 a piece of text, such as a page number or a title, that appears at the top of every page in a document or book
2 a phrase that is placed at the beginning of what you want to say, before the subject
3 a line of text, such as a title or a page number, that appears at the top of each page in a printed document

Subsequent lines, termed headers, give additional information, and are mostly optional.
Instead, the system is free to format protocol headers any way so long as all endpoints in a group use the same format.
The documents are not given in chronological order, nor are they provided as entry headers with parallel anniversary dates.
With the clearer chapter structure and headers now appearing on each page, we can navigate the book with relative comfort.
The paper discusses message-softening strateg ies such as the use of subject headers and final questions/comments.
At the destination, the headers are unmarshalled from the messages and passed to the layers.
By representing headers as regular data structures, protocols can leverage the same powerful language features, such as pattern matching and type checking, that are used for other data structures.
To prepare this corpus for our experiments, it was necessary to remove and record structural indications of article boundaries, which were standard e-mail headers and, frequently, authors' e-mail signatures.

0 Headers and tails

Headers and tails are common in speaking, but very uncommon in writing. We use headers when we place information at the front of what we say. This can help our listeners to understand more easily what we are referring to. Headers can consist of a noun phrase or noun phrases or whole clauses. The header is followed by a pronoun (underlined in the examples) which refers back to the header: