The correct answer would be, Product line.
These products are part of Procter & Gamble's Product Line in bar soaps.
Explanation:
When a company sells related products under its one brand name, then this is called as the Product Line. For example, in the given question, Procter & Gamble is a company/Brand, which has different product lines in bar soaps.
Bar soaps is the product, which has many product line depending upon the benefits each product line provides to its customers.
So Ivory, Camay, Lava, Safeguard, Zest and Coast are the related products under the category of Bar Soaps, which means bar soaps has different product line.
Similarly we can take the example of Johnson & Johnson, who sells many product lines under the baby care products. Those product line may include Shampoos, Lotions, oils, Creams, Diapers, etc.
Learn more about Product Line at:
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