Student or Learner
Distinguish differences between " fault", " mistake", " erro"?
Have you looked all these words up in a dictionary? What definitions did you find? Please give us some example sentences in which you try to use each word and then we will comment.
Note my corrections above. Please write full sentences at all times. Don't put a space after opening quotation marks.
Remember - if you don't use correct capitalisation, punctuation and spacing, anything you write will be incorrect.