Psalm 24:1, "The earth is Yahweh’s, with its fullness; the world, and those who dwell therein," is a powerful statement about God's ownership and authority over everything. Let's break it down:

"The earth is Yahweh's": This establishes that God is the creator and owner of the physical earth. "Yahweh" is the personal name of God in the Hebrew Bible, emphasizing a direct relationship.
"with its fullness": This means everything that the earth contains: its resources, beauty, potential, and all that it produces. It emphasizes the completeness of God's ownership.
"the world": This likely refers to the inhabited earth, encompassing all lands and regions.
"and those who dwell therein": This includes all people, animals, and living creatures.

Therefore, the verse proclaims that God is the ultimate owner and sovereign of the entire world and everything within it, including all living beings.

Implications of this verse:

Humility: It reminds us that we are not owners but stewards of the earth.
Responsibility: We are responsible for caring for the earth and its resources, as they belong to God.
Gratitude: We should be grateful for the blessings and provisions that God has provided.
Justice: It challenges us to address issues of social justice and inequality, as all people belong to God.
Worship: It inspires us to worship and honor God as the creator and sustainer of all things.

In essence, Psalm 24:1 is a declaration of God's universal dominion and a call for humanity to recognize our role within His creation.