1. The problem is to explain why all integrals can be considered as one type of integration. 2. Integration is the process of finding the area under a curve or the accumulation of quantities. 3. The fundamental idea behind integration is summing infinitely small parts to find a whole. 4. There are different methods of integration (like definite, indefinite, substitution, integration by parts), but they all rely on the same principle of summing infinitesimal elements. 5. The integral symbol \(\int\) represents this summation process. 6. For example, the definite integral \(\int_a^b f(x) \, dx\) calculates the total area under \(f(x)\) from \(x=a\) to \(x=b\). 7. Indefinite integrals \(\int f(x) \, dx\) represent a family of functions whose derivative is \(f(x)\). 8. All integration methods are techniques to evaluate these sums depending on the function's form. 9. So, fundamentally, all integration is about summing infinitesimal parts to find a total, making it one concept with many techniques. 10. This unifies all integrals as one type of mathematical operation: integration.