Tierras = lands, countries, or worlds depending on the context.
Tierra helada means "frozen ground"
tierra fria = cold land
Tierra Quuerida means"beloved land".
Tierra Amarilla means Yellow Land in English.
Tierra en el agua means land in the water.
My homeland
"cool land"
It means "from the Earth" or "of the Earth".
Land of Fire.
hot earth
Land of the sun
It means, "land cell."