Answer:
A target audience is the demographic of people most likely to be interested in your product or service. For example if you own a plumbing company, the target audience is property owners, both commercial and residential.
The buttons depend on what version of MS
Office he is using. Assuming Eric is using Powerpoint 2013, he must press the following:
1st Slide: Insert > New Slide >
Title Only
2nd Slide: Insert > New Slide > Comparison > Click on "Pictures" icon > Browse > Click selected picture > Insert > Delete text box saying "Click to add title" > Insert another picture using same procedures above > Add captions
3rd slide: Insert > New Slide > Two
Content > <span>Click on "Picture" icon > Browse > Click selected picture > Insert 3 more pictures > Click textbox "Click to add title" </span>