Question

What is headers and footersin writer?where do they appear in document

Answer 1

HEADERS=
Headers are the introduction of an documents.
Headers are present top of the document.

FOOTERS=
Footers are the conclusion of the documents.
Footers are present down of an document.

Answer 2

Footers are the conclusion part in a document while headers are the introduction of a document.  

Explanation:

Both the footers and headers help to separate sections from the foremost document. They are regularly used mainly for holding titles, page numbers, footnotes, and even other facts. This fact in the footer or header is repeated in each document’s header or footer.

The top part of a document’s page is where a header and footer appears on the bottom of the document’s page. Thus, these are both top and bottom sections of the document.