Which of the following guidelines ensures the effective use of graphics?
a. Make sure the graphics used exceed the text significantly.
b. Save graphics for data that can be easily communicated in words.
c. Use graphics to contribute to the overall understanding of the idea under discussion.
d. Incorporate a wide selection of typefaces and colors while using graphics.
The guideline that ensures the effective use of graphics is:
c. Use graphics to contribute to the overall understanding of the idea under discussion.
This option emphasizes the importance of using graphics to enhance comprehension and support the message being conveyed.