The article explores how people understand complex ideas in physics by breaking them down into simpler parts. By removing specific details, we can create general concepts that help us understand the world around us. This process of simplifying ideas is called abstraction. When we separate specific objects or events in our minds, we can better understand and categorize them. This helps us create new ideas and make connections between different concepts. Overall, breaking down complex ideas into simpler parts helps us learn and understand physics concepts better.