What is the correct folder order?

What is the correct folder component before submitting and uploading a flyer design?

Do you just upload the photoshop file or the design file PSD ?

Or what is generally the correct way to arrange before the upload process and submit the flyer design for review?

GraphicRiver General File Preparation Guidelines:

I already saw it before writing the article but I didn’t understand anything from it at all Bad page explain in general , Do not explain how to prepare the client folder before uploading , And do not explain what the content of the thumbnail and medium images folder is