Newbie needs Help with coordinates

Ive been pulling my hair to trying adjust the workspace coordinates. The laser position does not match Lightburn. I have read many posts and still can not get the laser to line up with the software.
I have tried numerous times G92 X0 Y0 and $10=0 command and zero at the front left corner. Once the laser is moved and rehomed, it shows x: -499 Y: -399. ( See screen shot).
Here is the list of codes:

Any help will be greatly appreciated.
Please speak slowly because I am computer illiterate.
Thank you in advance.

Have a look at this, Common Grbl Setups - LightBurn Software Documentation

And this, Coordinates and Job Origin - LightBurn Software Documentation

This is also worth review,

Thank you,
That seemed to have worked. I just hope the coordinates keep after restarting the program.

They will stay this way until you change them. You can do that using the macros found in the Console window.

If you want to be able to flip from CNC work to Laser use and back, this is worth review.

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