Firstly, when proofreading you never want to do it just once. Read it, and correct any mistakes your eye happens to catch. After you're done reading it the first time, read it over again- thus correcting anymore mistakes your eye catches.
For a third time (You could also just make this the second) analyze every word and punctuation mark throughout the piece.
The answer depends on what you've been charged with. Different levels of proofreading require different focuses.
For example:
Proofreading
by pereviewing your story focus chunk your story and mark your mirgin
Issues related to grammar, punctuation, spelling, and basic sentence structure should be corrected prior to the proofreading stage. It's important to address these fundamental errors before focusing on more advanced editing and proofreading tasks. This will ensure that the content is in a clearer and more coherent state for the final proofreading review.
The writing in the way it is done, and the way it should be done. Proofreading is a correction process for spelling, grammar, and content.
While proofreading one must check the grammar, the punctuation, the spelling and to ensure the writing reads easily.
Two important strategies when proofreading a document are to take breaks in between sessions to maintain focus and to read the document out loud to catch any errors that may have been overlooked silently.
spelling errors
The backslash proofreading symbol is used to indicate a space that should be deleted, especially in typesetting or formatting work. It signifies that the space preceding the backslash should be removed to ensure proper formatting and alignment of the text.
number of words
"ZIP" in proofreading marks indicates a passage is fine and should not be changed. It is used to show that no edits are needed in that particular section.
Yes they should be capitalized.
spelling, grammer, punctuation, content and correctness