You are currently redesigning the user interface for a web$-$based project management tool, focusing on integrating the seven good design principles. Describe how you would incorporate two of these: Affordance and Consistency, into the design of interactive elements so as to have a predictable user experience.

$2.$ How do standards contribute to HCI design? Briefly discuss, by use of an example, the importance of standards in ensuring consistency and interoperability across different systems and platforms.

You are tasked with designing a new mobile application for a grocery delivery service. From the established design process steps of Observe, Storyboard, Prototype, User testing, Design reviews, and Iteration, outline how you would use any two $(2)$ of these steps in the context of this project.

Explain the relevance of Fitts' Law. What is a factor that designers should take into account when implementing Fitts' Law principles in practical design scenarios such as determining target size and distance of interface components?

Discuss how the limitations of short term memory $($STM$),$ including its limited capacity of about $7($plus or minus $2)$ items and short duration of approximately $20$ seconds influence users' interactions with digital interfaces, such as website navigation, form completion, and information processing?