~ Tension is how much the reader care's about your characters. If the reader doesn't like your characters, enjoy spending time with them, or care what happens to them, that's what editors call, "Lacks Tension." Believe me. I've had enough return letters to prove it.
Suspense is how much readers care what will happen next? If you keep them guessing, that's suspense.
Answer - The quality of being just; righteousness, equitableness, or moral rightness: to uphold the justice of a cause. rightfulness or lawfulness, as of a claim or title; justness of ground or reason: to complain with justice. the moral principle determining just conduct.
The answer is: flashback.
Flashback is a transition to an earlier time in the story, interrupting the chronological order of events. It is commonly used to show a scene that explains the current events by giving the viewer additional information about the characters' past. In the excerpt about the movie I Am Legend, we have a flashback to the moment when the zombie apocalypse began.
Dramatic irony is related to a situation in which the viewers know and understand something that the characters themselves don't. A usual example is when the viewers know the police officer is talking to the killer while the police officer him/herself does not know it.
Foreshadowing is a technique in which a piece of information is given to the audience that will later on unfold into something more important, even though it seemed trivial in the beginning.
Special effects are well known. They create an illusion and may be done by diverse means. Nowadays, computer graphics are probably responsible for most of the special effects we see, along with makeup and props.
Frown - the opposite of break is repair and the opposite of smile is frown
I think the word onset in the poem "Dying" by Emily Dickinson mean beginning
Hope this helps