<p>➀ The article discusses the evolution of semiconductor architecture from planar transistors to FinFETs and now to Gate-All-Around (GAA) technology.</p><p>➁ GAAFET, with its wider sheets, offers improved drive current and performance, and better electrostatic characteristics compared to FinFETs.</p><p>➂ The transition to GAA requires rethinking the physical design process, including vertical integration and optimized routing strategies.</p><p>➃ Innovative power delivery networks and advanced EDA tools are crucial for maintaining power integrity and stability.</p><p>➄ GAA technology presents opportunities to optimize power, performance, and area (PPA) in semiconductor designs.</p><p>➅ Challenges such as cost, complexity, and manufacturing issues are addressed through DFM tools and advanced verification methods.</p>