A silo is a tall, cylindrical structure used on farms to store grain, corn, or animal feed. Picture a giant tower rising above a barn, often made of metal or concrete, designed to keep crops dry and protected from weather and pests. Farmers fill silos after harvest and draw from them throughout the year to feed livestock or sell their grain.

The word also describes a way of thinking or working that causes problems in organizations. When departments or groups operate in silos, they don't share information or cooperate with each other. Imagine if your school's library never told teachers which books students were checking out, or the cafeteria staff never coordinated with the nurse about food allergies. Each group would be working in its own silo, focused only on its own concerns.

This happens in businesses too. The marketing team might create advertisements without talking to the people who actually make the product, leading to promises the company can't keep. Breaking down silos means getting different groups to communicate and work together. The farm silo stands alone by design, but when people work in silos, it's usually a mistake.