What is this definition: an abundant source or supply

Having an abundant source or supply of an item means that you have a lot of the item - basically means you won't run out of the supply soon.

Few other descriptors can be having more than enough, having plentiful, having an excess amount, extras, etc.

abundance of something is to have more than you need

in what passage i'm sorry but i don't see anything there.

they both lost a woman they loved named lenore

they believed they interracted with a talking raven

they became orphaned at a young age.