I thought this was a good explaination since you asked: (may not be what you were looking for, but its educational to say the least)
You should pre-plan a dignified burial for yourself and your loved ones. You would need to write and sign a Living Will, a Power of Attorney, and a Last Will and Testament to express your wishes on your burial. Here's how: https://www.wikihow.com/Pre-Plan-a-Burial