What does "in spades" mean? [closed]

What does "in spades" mean, for example in the following sentence:

demand and love are both there in spades ...

I guess "in spades" means "on cards" or "on the table" or exist?

In the card game of "Bridge" the suits of cards (hearts, diamonds, clubs and spades) have ranks, with spades being the highest rank. Making the Ace of Spades the top card, as it were.

When you say you have something "in spades" you have a great abundance of it, or a high degree of quality of it.

See "In Spades" in Wikionary.

According to NOAD, in spades is a set expression that means:

informal to a very high degree: he got his revenge now in spades.