*To do comedy justice you have to create, capture, and captivate.
You create your jokes as you develop your stage skills so that you can recreate them in front of strangers with a flow that almost seems like conversation....to an audience you're simply lamenting, gossiping, whining, complaining, being confused, having an anxiety attack..etc etc
You capture the passion behind each bit and bring to life that 'moment' you're sharing as you recreate and pay it forward so that you capture the audience's full attention.
With your jokes and passion for recreation you hold the audience's attention and compel them to leave their comfort zones and enter your world and see thru your eyes and feelings. The audience's payoff for all of this should be laughter, lots of it! That's captivating a crowd. That's standup comedy. ;)