The words of a governing text are of paramount concern, and what they convey, in their context, is what the text means.
Interpretation is the process to ascertain the true meaning of words written in a legal document and the essence of law lies in its spirit.
An Aid, is a device that helps or assists. For the purpose of construction or interpretation, the court has to take recourse to various internal and external aids.
Interpretation of statute is the process of ascertaining the true meaning of the words used in a statute.