Double means to add something in the existing thing in the same quantity. This term is used in various ways. Double can also be used to define the substitute in different sports. When replace certain character with other one then it is also called a double. There are number of uses of doubles. Sometimes Politian and some famous person use double while they are appearing in the public for their safety. They do double with the person who is quite similar to them. There are other terms are also used for double.

There is a stunt double which defines the dangerous or sophisticated sequences. This double is totally with the one in which one replaces the other body. Normally double is done with the people having resemblance. They do this for many reasons. People can use stunt double in special cases and special skills are required for the stunt double. There is also another term known as hand double which is used for the shoot insert. The people might be more specific with hand double. There is also number of other uses of the double.

Often this term is used in the movies as well. Double seen is used in the movies in which scene of a person is copied on the other person who is having resemblance. Normally this is done when there is a difficult and adventurous shot. In this case double face is kept on cameras to give the impression of reality. There are photo doubles which are also in use. In photo doubles, the face of one person is replaced with the face of other person. Now there is a new trend of double in the form of surgery in which one famous person finds the surgery with the resembling face. In this way no one can recognize them.