Technical Elements - Editing Footage Directly

In television there are parts of the footage that looks lifelike, such as someone hanging onto a building for dear life because they don't want to fall 50 floors onto the pavement below,

Green Screen is a smart way to "Film on Location" without having to worry about weather or crowd control, an example of how green screen is used in a way like I described above is in series 4 of doctor who, Donna is hanging from a window cleaners cab about 40 floors up and is holding on to a piece of metal for dear life screaming, the Doctor is trying to get her to safety, in the clip below we see a snippet of that happening but in front of a green screen, the building and the ground are just added in editing.

Slow Motion is another interesting effect you can add to video, well you can also edit the settings on a camera to shoot in slow motion but you can also do it in editing, the video below is a classic star wars light saber fight and parts are edited to add suspense,

Flash Back - this type of footage allows part of the television program or film to go back in time to have a character re live a memory and it allows the viewers to see that, in some shows and films the colour of the footage isn't changed but a quick fade out to white and fade in from white are added to make the viewer aware that it is the start of a flash back, another editing technique that can be used for flash backs are edit the footage to Black and white indicating that the film or show has gone back in time.