The ASR Card is a tool to define an architecturally significant requirement.

Area Description Links To
ASR and Context Write the ASR in common requirements format for your target PM method.  
Significance & Impact Describe how the ASR is significant and what makes it so. OKRs
Characteristics List relevant characteristics based on estimations from stakeholders.  
Strategy & Plan What decisions need to be made? How will the decisions be executed. Decision Records
Ideas Possible implementation ideas, linking, follow on requirements.  
Stakeholders What stakeholders consider this requirement important. Stakeholder Management Plan