- Memory is the process in which information is encoded, stored, and retrieved.
- A field memory is a memory recollected in the original perspective, from a first-person point of view.
- An observer memory is a memory recollected from a perspective outside ourselves, a third-person point of view.
- Span describes how much information a memory system can retain.
- Decay describes the fading of information from memory.
- Duration refers to the length of time for which a memory system can retain information.