Your meditation on the importance of Yarn is beautiful and very profound. As a matter of fact, yarn is not just a mere set of strings of fiber, but it is a masterpiece of humanity, creativity, and perseverance. Here is a paraphrased summary of what you said, which sums up the gist of what yarn represents and of its more general implications:

What to Expect When You Find out that Yarn is More Than Meets the Eye
When you found those knotted balls of yarn in the attic of your grandmother you found more than old string. Every fiber contained stories, every shade a hint of a bygone era when hands were put to good work to bring warmth and beauty. This understanding led to even greater understanding of the symbolic depth of yarn.
Yarn- A Symbol of Possibility
Above and beyond serving as a raw material, yarn has the quality of possibility. It becomes clothes, which make people feel good, a piece of art, which hangs on the walls and even the most trivial yet significant decorations. It brings the raw materials and the finished goods, which we enjoy on a regular basis, together.
A Time Travel
The history of Yarn goes way back to the ancient civilizations, where spinning was critical to survival. Nowadays, manufacturing has broadened the palette of yarn, however the basic principle is the same: yarn unites people with similar creativity and artisanship.
Variety of Yarns
Whether it is the airy cotton that comes in handy in summer or the warm-wool that fits well in winter, each type of yarn is unique with its distinct qualities matching its different needs and seasons. Acrylic and fancy blends enlarge the palette further, supplying to different tastes and to different purposes.
Yarn in Everyday Life
The presence of yarn in our everyday life can be seen in beanies we put on to blankets we curl under. It is both subtle and momentous, making ordinary things more personal and taking them on the next level to called treasured possessions.
A Rebirth In The Young
The recent popularization of yarn crafts among the younger generation is part of an attempt to ground oneself in a physical form of craft in a digital world. Knitting and crocheting are both beneficial in practical ways, as well as in giving a feeling of accomplishment and community.
Yarn as the Symbol of Solidarity
Yarn is used as a great metaphor of human connection. As single threads are more powerful when they are braided together, so individuals can benefit when they help and assist each other. It is a lesson that team work can deliver lasting outcomes.
The world as a tapestry
The example of yarn being made, transformed and sold demonstrates how the process involves the global connectedness. It sustains the livelihoods in many parts of the world, and forms a network of cultural interchange and economic interdependence.

Energy of the Yarn
Ultimately, Yarn is an invitation to stop and enjoy the magical ability of the mundane. Whether it is a new project or simply a ball of yarn, there is a chance to ponder on the beauty of creation, the significance of craftsman’s work, and the resilience of unity.