A good way to separate your data is to partition your Mac hard drive. A partition splits your storage into two spaces, like putting a trunk divider in your car. The most common use case is to install ...
Most PCs come from the factory with a single partition on their hard drive, meaning that it shows up as one drive in the Computer window (as C:, typically). But keeping your data, applications, and ...
Computers (specifically laptops) generally only come with one hard drive or SSD, which is where all of your data is stored.