First your question language is lengthy keep it short and easily understandable. Coming to your point how to create effective advertisement.

Before you get started, ask a simple question for yourself that is ( Moto or goal of advertisement)
by asking question you get the overview. Let’s break down it below.

1. Want to increase products or service sales
2. Branding of your company, products or services.

Answer how to create engaging advertisement.

Think about your targeted audiences and the platform where you can advertise to reach the maximum eyeballs for your product or service.
Now interrelate your products or services that how its going to be beneficial for them and create a video, a banner, a post, standee and use some killer punch lines to attract them.  You are done.

Hope this helps!
Newtree India