There are 36 body signals that an NFL referee must know, and more than 40 if you count small variations. Below are diagrams for some of the more spirited signals, taken straight from the NFL rule ...

The referee should point with a raised arm in the direction that the free-kick has been given. The referee does need to make a further signal to indicate it is direct. Players often wait before ...

Know your football signals? See if you can sweep this ‘Jeopardy’ category. Published: Mar. 11, 2020, ... “But in this category, it deals entirely with referee signals, ...

The referee will signal the positioning and direction of an indirect free-kick in the same way as any other free-kick. However, to show that the kick is indirect the referee keeps one arm outstretched ...