Some writers use italic type to indicate a character's speech, or to emphasize words the character stresses. You can also use italic type for words in foreign languages or the titles of long works, like novels or films.
What do slanted words mean?
When something is angled in a slant or diagonal, it's slanted. Another meaning of the adjective is "biased," or "one-sided." Slanted news coverage, for example, only gives you one perspective on a controversial subject, rather than the whole picture.
Why do authors use slanted words?
A slanting font style called italics is used when writers wish to emphasize, or give special significance to, a word or words. When writers prepare a document on a word processor, italic type is used to distinguish titles, words used as words, and foreign words from hyperlinks, which are usually underlined.