What do the five elements mean? Is it different from gossip?

Five elements and gossip are two concepts.

The five elements are fire, water and earth in Jin Mu.

Bagua is a set of symbols in ancient China. With "one" for Yang and "-"for Yin, three such symbols form eight forms, which are called Eight Diagrams. Each six-pointed star represents something. Dry represents heaven, Kun represents earth, ridge represents water, far represents fire, earthquake represents thunder, Gen (gèn) represents mountains, Xun (xê n) represents wind, and right represents swamp. Eight trigrams collocate with each other to form sixty-four hexagrams, symbolizing various natural phenomena and personnel phenomena. It is discussed in detail in the Book of Changes. Gossip is said to have been created by Fuxi and later used for divination.