trespass to land means to go onto someone's land without that person's permission This might mean walking on the land or it might mean staying there permanently. Trespass to land also includes placing objects on another person's land without that person's permission
Nuisance means to interfere with a person's enjoyment of his or her own land. This means that means that every individual has a night to enjoy being in his or her own home or on his or her own land