Wiki links are sufficient at GCSE and A Level. Check their link.
Time and Narrative Techniques
See the following for A Level and above:-
Check Paragraph 2.5
This text may be reproduced for non-commercial purposes, provided the complete reference is given:
Lucie Guillemette and Cynthia Lévesque (2016), « Narratology », in Louis Hébert (dir.), Signo [online], Rimouski (Quebec),