Definition: Sure! "10 Must-Need Items Every Designer Should Own" sounds like a fun phrase that could be used as a tagline for a brand promoting designer fashion items to the discerning consumer. Here's how it can be effectively conveyed:

Tagline: "Unmistakable, Bold, and Inspired - Your Designer Fashion Companion!" This catchy slogan invites viewers to consider these 10 essential pieces in their closet or on the runway. These items would likely include something that is not only stylish but also innovative or unique enough to make you feel like a designer yourself. Example Sentence: "The high-heeled pumps that elevate your wardrobe, from the runway to the beach." This sentence not only showcases how these shoes are uniquely tailored and designed by a designer but also encourages viewers to consider buying them themselves since they're so expensive. It's an edgy reference to designer clothing, which is becoming more and more prevalent in popular culture, making it both intriguing and unsettling at the same time.