New Player Here

Hello I'm new here i just want to ask about the lingo here i see helpful guides and stuff but is somehow stuck when people use shortcut terms for long item names that just get past a new player like me like what is : NC, BWing, etc. would be nice if i could know some of those things XD but anyway have a nice everyone

 

Nightmare Crystal, an item dropped by Nightmare Roar at Ancient Empress Tomb. Used for side quest found at Sofya NPC Lefina called [Pride of Rich].

Bird Wing, dropped by Beak at Ruined Temple. Used for crafting the armor [Adventurer's Garb].