Ad is one form of promotion of the most widely used companies in promoting their products. At least it can be seen from the large advertising budget is spent each company to brands they produce.
Ad is a form of indirect communication, which is based on information about the advantages or benefits of a product, which is constructed so that cause unpleasant taste that will change one’s mind to make a purchase. Advertising is a whole process that includes preparation, planning, implementation, and monitoring advertising.

Ad has four main functions, namely to inform the public about the ins and outs of the product (informative), affect the audience to buy (persuading), and refreshing information received audience (reminding), and create a fun atmosphere as the audience to accept and digest the information (entertainment) .
One ad has the properties as follows:
1. Public Presentation
Ad allows every person receives the same message about the product being advertised.
2. Pervasiveness
The same ad message can be repeated to establish the receipt of information.
3. Amplified Expressiveness
Ads are able to dramatize the company and its products through pictures and sounds to inspire and influence audiences feeling.
4. Impersonality
Ads are not forcing the audience to notice and respond, because it is a monologue of communication (one way).
Importance of advertising is to make thriving advertising business and promote the emergence of advertising companies that offer full service design agency.