What are the differences among the file name options?

Listly Image Downloader offers various options for file names as follows:

7.-파일명-옵션에-따라-표시
  1. Original name: The original names embedded in the image URLs
  2. From Excel: Column data specifically selected from the Excel file
  3. Number Only: Numbers entered in sequential order
  4. Number+Original name: A combination of numbers and the original names from the respective image URLs
  5. Number+Excel: A combination of numbers and the selected column data