Step 1: You should set the context on when you have used p-value in the past. E.g. A/B testing.
Step 2: Explain p-value 
Step 3: Link to business problem:
“The p-value is a number between 0 and 1 and interpreted in the following way: A small p-value (typically ≤ 0.05) indicates strong evidence against the null hypothesis, so you reject the null hypothesis.” 
https://www.dummies.com/education/math/statistics/what-a-p-value-tells-you-about-statistical-data/