What is the definition for flashback, point of view and character

Flashback is a scene set in time earlier than the main story   and   point of  view  is a particular  attitude  of considering a matter  an  a character is  a is a person in the book or story 

Flashbacks are interruptions that writers do to insert past events in order to provide background or context to the current events of a narrative. By using flashbacks, writers allow their readers to gain insight into a character’s motivation and provide a background to a current conflict. Dream sequences and memories are methods used to present flashbacks.