If a word<span> needs to be emphasized but is not being </span>quoted<span>, you should </span>put<span> it in italics. If you're writing by hand or using a typewriter, you can use </span>quotation marks<span> for emphasis, to separate a certain </span>word<span> from the rest of the sentence.</span>
For capital letters, we can just add the ending -s, for example:
I got As in the final exam.
for lower-case letters, an apostrophe is used to avoid confusion:
In the multiple-choice exam all the correct answers happened to be a's! (as in: option a)
Thesis statement
( summarizes the main point of claim in an essay, text, article ect...)