The goal is to create a

“Thank you!” 

of the highest possible quality

for those handful of people who have had a profoundly positive effect on our lives.

Without words, it should say,

Thank you for being a light in my life. 
Keep shining wherever you may be.

It should help the givers - letting them acknowledge the times they’ve received priceless help.

It also should help the receivers - lifting them internally every time they glance at it.