1.Adverbial clause: "as they appreciate the tactile experience of seeing and touching products before making a purchase" uses an adverbial clause to explain the reason behind older individuals' preference for in-store shopping, adding depth to the sentence.
2.Comparative structure: "more inclined to compare prices and seek out discounts" uses a comparative structure to highlight the tendency of older individuals to look for better deals, showcasing a complex sentence structure.
3.Noun phrase as subject: "Their shopping decisions" serves as the subject of the sentence, using a complex noun phrase to describe the focus of the sentence, enhancing the depth and complexity of the expression.
4.Present participle as an adjective: "focusing primarily on necessities" uses the present participle "focusing" as an adjective to describe the action of older individuals, adding complexity to the sentence.