noun:the faculty by which the mind stores and remembers information
She has an excellent memory for names and faces.
noun:something remembered from the past; a recollection
One of my fondest childhood memories is baking cookies with my grandmother.
noun:a physical object or event that serves as a reminder of a person, place, or experience
She kept her grandmother's watch as a memory of the family legacy.
noun:the part of a computer in which data or program instructions can be stored for retrieval
I need to upgrade my computer's memory to run the new software.