This document provides an overview of the key concepts in electronic discovery (eDiscovery). It discusses what eDiscovery is, the large volumes of electronically stored information (ESI) that exist, and how ESI is considered under the Federal Rules of Civil Procedure. It then outlines the main stages in the eDiscovery process according to the Electronic Discovery Reference Model (EDRM): preservation, collection, culling and analysis, review, and production. Trends in eDiscovery like cost constraints, proportional discovery, and predictive technologies are also summarized. The presentation aims to educate clients on effective collaboration with law firms for eDiscovery.