Res gestae is a Latin term meaning "things done" or an act or event that occurs during a transaction. In evidence law, it refers to words spoken that are so closely connected to an event that they are considered part of the event and not hearsay. Res gestae includes all necessary facts and circumstances that provide context to criminal charges, including happenstance facts related to time, place, and an employer's interests.

1. Doctrine of res gestae
res gestae is a latin term which meaning is “things done” or “it means an act done or event
said in the course of a transaction”.
In other words, parts of transaction which are interconnection and related circumstances
with the facts in issue.
In Evidence Law, it’s refer to words spoken that are so closely connected to an event that
they consider part of the event, and their introduction does not violate the hearsay rule.
res gestae goes to all acts that are necessary to fill in the factual context of criminal
charges. These facts may be happenstance.
res gestae refer to time, place and in the interest of an employer.