Important design elements to consider when creating slides include which of the following:

a. word selection

b. selecting background designs

c. selecting a theme

d. writing content

Well, in my opinion, the answer is A) word selection. Because, you will not include the entire text in your presentation, just a couple of most important words, and you will have to select the ones you want to be in the slides, which can sometimes be difficult, narrowing down to just a several words.

The other options can be important, but I think that the choice of words is the most important one. You want to write just small notes, not the entire text.