Gloss does not make use of a single board. You can create as many boards as you like, and configure each one differently. You can define group specific boards and more.
The base command for boards is /board
To create a board, simply use:
Gloss boards are located in gloss's data folder Gloss/boards/<name>.json. Changes auto-load into the boards. No need to reload.
If you only need a single board for everyone, you can set the board to the default board show it is shown whenever you log in or change worlds. Everyone will see this board.
However, if you wish to show multiple groups different boards via your permission system, you should instead create gloss groups and set the group's default board to different boards.
You can hide the current board with
And show a specific board with
You can delete boards with
You can assign a permission to any board so that even if the board is defaulted or supposed to be shown to everyone, only those with the permission you set will be able to view it.
For permission names, give it a single node. For example using /board permit <board> mortal Would prevent anyone from using <board> without the permission gloss.board.mortal.