Group 1 - The core idea of the articles revolves around the recognition and support for the delivery riders, now referred to as "urban knights," highlighting their contributions and the new identity associated with their profession [1][2] - On August 17, Ele.me's Taobao Flash Purchase announced the upgrade of all delivery riders to "urban knights," introducing new uniforms and a series of welfare measures to enhance their professional identity and recognition [1] - The "Urban Knights·Orange Initiative" was launched on August 18 by Alibaba and Ant Group, aimed at providing additional rewards and support for delivery riders, including special assistance for those in crisis and educational funding [2] Group 2 - A number of notable individuals from various professions participated in wearing the new urban knight uniforms to honor the delivery riders and advocate for their recognition [1] - The initiative includes honoring riders who have performed acts of bravery, with several riders already receiving the first batch of honorary knight uniforms [2] - The CEO of Ele.me emphasized the importance of treating riders with respect and dignity, reflecting on the challenges they face in their work [2]