Dream Addict was so nice to make a special thread dedicated to acronyms including WBTB:
https://community.ld4all.com/t/what-are-all-those-acronyms-ld-rc-nd-fa-etc/21605
There you will find what you’re looking for.
(BTW if you move the cursor on the acronym you will already see what the acronym stands for -though without explanation. Just try it!)