$1.$ Digital Sales Growth: Measure the percentage increase in online sales through Nike's digital platforms compared to previous periods, reflecting the success of the initiative in driving direct$-$to$-$ consumer revenue.

$2.$ Customer Acquisition Cost $($CAC$)$: Evaluate the cost associated with acquiring new customers through various marketing and advertising channels, aiming to optimize efficiency and maximize return on investment.

$3.$ Customer Lifetime Value $($CLV$)$: Assess the long$-$term value of each customer relationship, including repeat purchases, brand loyalty, and engagement with Nike's ecosystem of products and services.

$4.$ Omnichannel Experience Metrics: Monitor customer satisfaction and engagement across different touchpoints, including online platforms, mobile apps, retail stores, and customer service channels,