No they should be replaced with ellipses.
The omission should be replaced by 3 ellipses, which is 3 dots.
True
Yes, it does.
No. It has to be replaced.
A paragraph added to a letter after it is concluded and signed by the writer; an addition made to a book or composition after the main body of the work has been finished, containing something omitted, or something new occurring to the writer.
It should be a writer's thoughts.
You should replace them with an ellipses (...). For example, if the original quote is "He went to the store and bought chocolate, ice cream, and cake, wandered through the aisles and talked to a few people, then came home," you could replace it with "He went to the store...then came home." Make sure, though, that you don't omit something that drastically changes the meaning of the sentence. For example, you cannot change "I hope he will not choke on his chocolate bar" to "I hope he will...choke on his chocolate bar."
The writer should begin the sentences with different words and phrases.
In a quote, the use of ellipsis means words were omitted.Ellipsis can also be used in original writing...to show a pause...
The writer's qualification's and sources.
A writer's duties are what the writer's employer (or publisher) requires. The writer's responsibilities should be made clear by the one who has hired him/her. A writer who does not write for another party should set their own goals for their work.
You should be a Phd in literature