with the ramifications of a statute, and thus, the common man’s understanding is the definitive index of the legislative intent. The reason is simple. The legislature is assumed to be aware of the well-understood meaning attributed to the word/expression, and by necessary implication the legislature by not prescribing a fixed and exact definition, ascribes the prevalent meaning assigned to the word/expression in common parlance or commercial usage. This would include meaning assigned to technical words in a particular trade, business or profession, etc. when the Civil Appeal No. 7708 of 2014 & Ors. Page 8 of 17legislation is concerning a particular trade, business or transaction. This rule equally applies to construing words or expressions in a taxation statute. 14. In the present case, Section 17(2(viii) is a residuary clause, enacted to provide flexibility. Since it is enacted as an enabling catch-within-domain provision, the residuary clause is not iron-cast and exacting. A more