You have asked a great question. This is why theology is such a deep necessity for real human living. Human beings were created to image God, that is, to serve as priests demonstrating the divine nature and interceding for creation. That is the context for the creation mandate to "Go into all the world and garden (bring order) to it." (This after the triune God has brought the order of creation out of the watery chaos of swirling darkness.)
We know that the image of God in human beings was deeply marred and twisted by the fall into sin and rebellion. But, in Christ, our new Adam restores that image in those who are his. It is not wholly restored in us in this age. But we, by grace, still may act again in our priestly role and so image our maker. That is the Biblical context for human living and human work.
Everything we do, because it images our maker, is missional, because we do it in this age and so demonstrate/announce God's foolish wisdom before the Principalities and Powers. We are guided by the moral law and bear the Spirit's fruit "for the healing of the nations." And what we do here continues into and is valued in the next age as well in a way that is not wholly clear.
So, then, the work of our minds and hands and the communities we make and live within are meaningful because they please and satisfy the divine will for us. Exactly what those will be for each of us personally is a hermeneutical process that requires wisdom. As we know, this gets very granular: a work, community, activity, or aim that is ok for one isn't ok for another. And this removes human reckoning of value from wealth or status or race or nationality--none of that matters.
This is the framework we must keep in mind as we live our lives moment by moment in this age and into the next.