This ad is trying to sell the Mcdonald's food precisely the Hamburger , The picture shows a big burger . This advertisement its goal is to bring more customers , Explicitly we can notice the burger and the company name Mcdonald's is very attractive and fancy ,in a way that burger couldn't be how i is shown in this picture in the reality . In this picture it looks bigger and delicious , and the company name as well first that we can see is that big M with fry potatoes is a signifier of the company that  is a connotative that delicious food is Mcdonald's food .Then the price 499 in small writing comparing to how big the burger and the company name is also a connotative of this advertisement it gives the impressions that this burger worth it whatever the price is still look small comparing to what you get .

 This is an  advertisement of Gum . The image shows a mouth with a long tongue on which a young guy is sitting , using it as relaxing chair . The connotative of this is that this gum is for young people and it taste long , and it may make you fell relaxed . And the signifier words" Taste long" and" juicy " is to emphasis  the fact of long tasting and juicy . I t also gives the signified meaning that this gum sweetness tastes long and it s juicy with different taste from the small pictures of fruit that was shown  and in a different color which make costumers feel like they got all options they would like to have in this gum .

This is an advertisement of louis Vuitton . This image simply shows a model in a fashion position where  her hand is in  the top holding a hand bag that have a Louis Vuitton sign on it . So this give the feelings that if you have that hand bag you will look like a model and you will be on the top . the fact that she hold her hand to the top is the connotative that this Mark of hand bag is for the high class and for fashion and models so only certain people can have this bag it s not for everybody .
And from the picture we can understand it s a luxurious bag .