Answer:
I am a delicious way of representing data.
I direct you from outer space.
I am always around you but often forgotten. I am pure and clean most time but occasionally rotten.
The letter S is added to pluralise most words in the English language. eg. Letter to Letters Word to Words and Language to Languages. But I am a word that is pluralised with the addition of the letter C.
I have a head tail but no arms and legs.
What never gets any wetter no matter how hard it rains?