terminology - Does function definition include the header part in figure?

Question

On page 30, the book "C++ Primer Plus By Stephen Prata" marks (the black large left bracket) function body as function definition.

Should it include the header part, shown as the red one?

question from:https://stackoverflow.com/questions/65878298/does-function-definition-include-the-header-part-in-figure

Answer 1

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