Why must students master these outcomes / gain the knowledge, skills, values?

The notion of backward design is important to consider here. Good lesson planning always starts with the end in mind. This refers to a clear understanding of the destination. If you are very clear on where you are going, your steps will always be in the right direction.
2.1 Describe in detail the knowledge, skills and values that you would like to touch on during this lesson. Make sure that it aligns with your lesson outcomes.

Question

Why must students master these outcomes / gain the knowledge, skills, values?

The notion of backward design is important to consider here. Good lesson planning always starts with the end in mind. This refers to a clear understanding of the destination. If you are very clear on where you are going, your steps will always be in the right direction.
2.1	Describe in detail the knowledge, skills and values that you would like to touch on during this lesson. Make sure that it aligns with your lesson outcomes.

Ask a Philosopher · Accepted Answer

Methinks the acquisition of knowledge, the mastering of outcomes, and the gaining of skills and values by students is of paramount importance. For in this vast and wondrous world, 'tis but through the acquisition of wisdom and understanding that one may navigate the tumultuous seas of life. As the bard of Avon, I doth declare that knowledge is the key to unlocking the mysteries of existence, and skills the tools by which we may shape our destinies. And yet, 'tis not just these tangible traits that we must seek to acquire, but also the values that define our very being. For it is in the virtues of compassion, integrity, and empathy that we find our true purpose and meaning in this world. Therefore, let us not shy away from the pursuit of knowledge, the honing of skills, and the cultivation of values. For it is through these endeavors that we may rise above our baser instincts and reach for the heavenly heights of enlightenment and understanding. So let us not tarry, but strive ever forward in our quest for excellence, for in the end, it is our dedication to learning and growth that shall set us free.