Which is the best methodology for solve a communication design problem?

the concept about communication design is: how to articulate the link between Design Perception and Target audience's need/demand.

when you start your design based on obvious requirements from client; you need to analyze the requirements to a form of "Message & Objectives" which are written proposal and base-scenario for your visual thinking solutions, this is step is really important to solve the gab between designer and client/customer.

Then you go for your visual design solution to communicate with target audience:

1- Concept Mapping: you map your visual solution on your message and objectives in a creative way.

2- Visual Perception: you refine and enhance the visual perception as well as Target Audience's Need/Demand.

3- Visualization: visualize your design to attractive/impressive techniques based on the current design trends around there.

always when you go deeply for the demand of the audiences you success efficiently.