If your message contains a lot of details and your audience is unfamiliar with the subject, you may want to use a:

Respuesta :

Answer:

visual aid

Explanation:

pictures can say a lot and people can relate to something that they see or use on a daily basis

you want their eyes to envision what it is they will use and how they will use it

do not bore them with a lot of words

give them a visual and they go, "Oh yea, I get it now"