What is an ORM in Django?

Question $4$ options:

$1)$

Object$-$Relational Mapping, a feature that lets you interact with databases using Python objects

$2)$

Object$-$Relational Model, a feature that lets you create database tables using Python classes

$3)$

Object$-$Relational Manager, a feature that lets you perform queries on databases using Python methods

$4)$

All of the above