Engraving pyramid

I’m guessing this is old for most of you but I’m very new at this! I’m 70 years old and this is my first time with a laser so my next question is, I have the engraving pyramid printed out. BUT, and this is probably dumb but, how do I determine the # of passes and how important is LPI?

What is an engraving pyramid?

The number of passes can be adjusted from your cut settings editor: Cut Settings Editor - LightBurn Documentation

LPI is important for quality engraving: Fill Mode - LightBurn Documentation

More than one pass is usually for cutting out your project.
Engraving generally takes just one pass.