The human body should have a particular weight for a particular height i.e: the height and weight ratio must be in a specified proportion to each other. If the height and weight are in proper ratios to each other, then the bodily functions take place smoothly.
Parol refers to verbal expressions or words. Verbal evidence, such as the testimony of a witness at trial. In the context of contracts, deeds, wills, or other writings, parol evidence refers to extraneous evidence such as an oral agreement (a parol contract), or even a written agreement, that is not included in the relevant written document.
Pareto Analysis is a statistical technique in decision-making used for the selection of a limited number of tasks that produce significant overall effect. It uses the Pareto Principle (also known as the 80/20 rule) the idea that by doing 20% of the work you can generate 80% of the benefit of doing the entire job.