How To Add Some Icons In Product Page

General General Questions
1

I've been searching but i don't seem to find out how to do the following:

Under the add to cart button i want to add a picture (just some icons with free delivery, 24/7 service stuff like that)

How to put a banner just under the add to cart button?

2

If you are not familiar with the code, use Promo text field to add such information. It can be also exported/ imported

3

If you are not familiar with the code, use Promo text field to add such information. It can be also exported/ imported

i made a promotion,

i added it to product categories but it's not showing

4

I meant Promo text field on the Update product page