This word means to walk in a confident way

In the sentence, Jasper lost me when his joke got so convoluted that I could no longer follow it. What does the underlined word mean?

This word means to lie or sit with all of your limbs spread apart.

This is something (like an action, or word) in a play or movie that is a signal for the actor to say or do something.

In the sample sentence, I know my little brother wasn’t trying to be funny when he got stuck in the toilet, but it was the most comical thing my friends had seen all day! What does the word comical mean?