Why words are shuffled when I insert English words in any Arabic/Urdu/Persian text on Notepad or MS Word?

Question

I can write Arabic/Urdu/Persian on MS Word or Notepad just fine, but whenever I insert any English word or number, the sequence is just disturbed and seems like the all the

Answer 1

Select the paragraph (e.g. using triple click) and use the button for right-to-left direction (¶◀) in the Paragraph section of the Start pane.

As Hossein’s answer explains, the issue is the directionality in the paragraph. It changes to left to right when you insert a Latin letter, and you need to fix this manually.