Purdue online writing lab give help on revising for conciseness and clarity. This is very important when I do my instructions because for my instructions to effective people must understand what I am say and quickly.

Not only can you add emphasis by doing something to the actual words but you can also work with the image. Change the size or color of the image are a couple things.

Adding subheadings, bullets, italics, font changes and color changes will add emphasis and make it easier for the reader to see easily what you are trying to bring across.

Must understand that the goal is for it to be read. The headline of a copywriting design is important.

Visual Hierarchy is presenting the information in the order of its importance.

Research plays a big role in te design process. Research who your audience is, research the market, research the company's goal and the purpose of the design.

If what you create does not get a clear message to the  user you have just done decorations not a design.