hliðarhandbók
Hliðarhandbók is an Icelandic term that translates literally to "side handbook" or "companion guide." It generally refers to a supplementary document or resource that provides additional information or instructions related to a primary text, manual, or system. This could encompass a wide range of materials, from a quick reference guide accompanying a software program to a booklet offering deeper context or alternative perspectives on a historical event.
The purpose of a hliðarhandbók is to enhance the user's understanding or experience without overwhelming them