image location on product page?

When you look at products on my site, at the bottom is 3 graphics that I would like to change out. The problem is, I don't know where the file is. They are rectangular box buttons. One is
"add this to my cart"
one is
"write a review"
one is
"tell a friend about us"

Even if I could find where and what page I could remove the "review" and "tell a friend"

Thanks

boogily:

When you look at products on my site, at the bottom is 3 graphics that I would like to change out. The problem is, I don't know where the file is. They are rectangular box buttons. One is
"add this to my cart"
one is
"write a review"
one is
"tell a friend about us"

Even if I could find where and what page I could remove the "review" and "tell a friend"

Thanks

Bo,
Take time to click on the orange tab on the top of this page called Tutorials/FAQ

1. here is will you find the answers to your questions

I have tried. I searched for half an hour. I don't care if you tell me how to find it out on there, please help.

It's complex, overbearing and a bit hard to navigate through. I wish I could easily find my answers through that, its just not happening. I truly appreciate any help I receive!

Bo,
All I did was type in the search box Tell a friend

here was my results:

https://www.zen-cart.com/tutorials/index.php?article=50