spell slots
Spell Slots in D&D 5e: All You Need to Know!
See the multiclassing rules to determine your available spell slots. ... You regain all expended spell slots when you finish a Long Rest.
Baldur's Gate III | BEST Warlock Spells (All Levels) - YouTube
Create Sorcery Points is implemented for all spell levels up to level 9 per 5e RAW (Tasha's Cauldron of Everything), and you can use Warlock Spell Slots before your other Spell Slots.
Spell Slots in DnD 5e - A Simple Guide to Spell Use
You Will Probably Get Higher Level Spell Slots Than You Have Spells. ... Also, it appears that you are confusing spell slots with spells known.