HEADERS

noun

1. The upper portion of a page (or other) layout.
2. Text, or other visual information, used to mark off a quantity of text, often titling or summarizing it.
3. Text, or other visual information, that goes at the top of a column of information in a table.

noun

1. A file, usually in the form of source code, that is automatically included in another source file by the compiler.
2. A file that contains declarations but no implementations.