Please answer clearly!

Questions

1). In making a presentation material (powerpoint), what do you think is crucial for a presenter if it refers to basic elements such as: color, text, images, graphics, and others when making a presentation material.

2). Analyzing the situation is an important step in building a persuasive message, why do you think analyzing is important in writing a persuasive message? Then give an example of how someone analyzes a situation based on the demographics, psychographics and motivation of the audience!