...if you think about what a red circle/ball could symbolise to someone, you have plenty of leeway for certain gestures and words/descriptions...
im in a slightly bad mood today, so i'll also say you should buy more books on the subject and understand the process more - that way, you'll get into how to develop them yourself...
I'm certainly not having a go or anything

I'm just trying to encourage you to research it all and think for yourself more...and as siege said, if you've not red 13 steps yet, then don't run before you can walk...but have a ball exploring it all...
"as you sit there, let an image develop in your mind, a childhood scene, a lazy evening under the setting sun, children playing hoopla and catch in the streets...you are there with a friend, playing..."