Warlock spells in D&D clarification 5E

You can use warlock slots to cast wizard spells and vice-versa Apart from that spells known, spell slot recovery etc are separate for each

True Warlocks only have 2 spell slots at those levels BUT! Those spells slots are recovered after every short rest

warlock best in slot The Warlock table shows how many spell slots you have to cast your warlock spells of 1st through 5th level The table also shows what the level of those slots

warlocks book slot When casting warlock spells, they seem to be demanding the highest-level spell slot available I'm currently at Bard 3Warlock 1 The spells I chose as Warlock