Advertising and Media Mang. (HR)

Importance of communication in marketing?

Importance of communication in marketing?
How do you categorized communication in marketing?
What is marketing communication?
What are the objectives of marketing communication?
What is integrated marketing communication?
What are the general methods of determining the marketing communication budget?
How do we decided about doing advertising in-house or going for an external advertising agency?
What are the advertising appeals?
What are the basic requirement to create an advertisement?
What are the different types of advertising agencies?