XaaS stands for anything as a service or everything as a service. An as-a-service solution can be any product, tool, or technology, delivered digitally or provided to a customer in a hardware or software solution bundle.
Essentially, everything you can think of can be made available to customers through the internet. For example, if you have a business that needs an accounting software, instead of purchasing it yourself or hiring an employee to manage it, you could use XaaS to access accounting software over the internet.
The idea behind XaaS is that it allows businesses (and consumers) to focus on what they do best by outsourcing everything else to experts who specialize in specific tasks. By outsourcing these tasks, companies can save time and money while also improving efficiency and productivity.