1. “3”

2. “3”
This open-ended assignment leaves one number up for a lot of interpretation. A more conceptual approach would consist of design principles behind the number 3 like the Rule of thirds (how to break up a composition plane)
Other ideas include old fables or folklore like "Goldilocks" and "Three Little Pigs," or superstitions. There are many ways to make your design successful.

3. “3” Tips and Tricks
Composition, composition, composition is everything!!! Achieve a strong composition through design principles such as cropping, overlapping, repetition and/or variation (different sizes.)
Take a chance and try an abstract design. Let the viewer figure out the meaning behind your concept of 3.