Below is a list of plain English guides and glossaries for Legal Terms:
National Adult Literacy Agency provides this Guide (Downloadable PDF at the link)
The Plain English Campaign has a similar A-Z Guide
Courts Service, Law Society and Lawyer.ie all provide glossaries of legal terms.
Introduction to School of Law - University of Limerick
This page is provided by the University of Limerick for international students studying law.
Diagram Source: https://www.lawlibrary.ie/Legal-Services/The-Courts-System.aspx
legal-dictionary.thefreedictionary.com/
Online legal dictionaries can be helpful for understanding different legal terms.
However when citing exercise caution and consult the National College of Irelands Referencing Guide for more information.