Every Block Obtainable By Minecraft Commands!!!

Hi Guys
This Video Is On The Topic Of Blocks That You Can Only Get With Commands, Preferably Thr Useful One's!
Commands For Each Block-
/give Border_block
/give Structure_block
/give Light_block
/give Barrier_block
/give Subs!

[@hollyanddylan492]

A

[@TechMeMore_TMM]

A what?