- the name, address, etc. of a person or firm printed as a heading on a sheet of letter paper
- a sheet of letter paper with such a heading printed on it
- The heading at the top of a sheet of letter paper, usually consisting of a name and an address.
- Stationery imprinted with such a heading.
- Paper which has the name of the person or company it is from printed on the top (possibly including address or other information). Used for formal correspondence.