Why are words showed in Italics

My necktie rich and modest, but asserted by a simple pin-[they will say: "but how his arms and legs are thin! "]do i daredisturb the universe? in a minute there is timefor decisions and revisions which a minute will reverse. which lines indicate that the speaker is concerned about what others think of him? my morning coat, my collar mounting firmly to the chin, my necktie rich and modest, but asserted by a simple pin-in a minute there is timefor decisions and revisions which a minute will reverse. o with a bald spot in the middle of my hair[they will say: "how his hair is growing thin! "]and indeed there will be timeto wonder, "do i dare? " and, "do i dare? "

Which would be the most credible source for researching the effects of smoking? letter from your grandfather web page about someone’s lung cancer report prepared by a tobacco company research article in a scientific journal

On sarah’s first day at work she is provided with a range of information technology tools that she can use to write, edit or create documents and accounting sheets, store information, make presentations, and so on. match there software their definitions.