What are the Wilcom Thread Charts and how to use them in API calls?

Q1: What are the Wilcom Thread Charts and how to use them in API calls?
Q2: What are the Color Index numbers and how do they relate to Colors on the Embroidery
machine?

This article is prepared for Web developers or Wilcom API customers with only printing background, who are not familiar with the embroidery technology. The above questions are strongly related to the embroidery production as well as displaying a design with proper colors.

This article also explains the relationship between the Color Index, the Thread description, the Displayed color on the website and the thread color on the embroidery machine.

Please click on the blow link to read through the document.