2. Generally speaking, in the company, there are requirements. The header: company logo+ company name, footer: page number, company department, address, postcode, contact information and so on will be displayed, depending on how it is stipulated.

3. If writing a graduation thesis, the header: odd pages show the name of this chapter, and even pages show the title of the thesis. Footer: displaying page numbers

I hope I can help you and adopt it.