advertisement noun

a newspaper/television advertisement

an online advertisement

The advertisement told us very little about the product.

They placed the advertisement on a local newspaper

advertise verb

They advertised on a local newspaper

to advertise on TV/online/on social media

market verb

The company marketed its new products on socialmedia. (wechat)

The company marketed its new products through social media.

Promote verb

He was in town to promote his new book.

They gave big discount (lowered the price) to promote the newproduct.

The company decided to promote her as sales manager.

We are promoting our new ideas.

promotion noun 

double 11 promotion