Regarding your question about integrating a POS system with other business tools, it depends a lot on the specific POS software and tools you want to integrate. Many modern POS systems are designed to be fully integrated with popular business tools such as inventory management software, accounting software, and customer relationship management systems. If you want to learn more about POS systems, I would recommend that you check out Tarya Fintech's guide on their website
https://www.taryafintech.com/what-is-pos-pos-software-and-hardware-explained/ . They provide a comprehensive explanation of what a POS system is, how it works, and what components are involved. Their guide also covers different types of POS software and hardware, which can help you understand the options available in the market. On my own behalf, I want to add to you that when choosing a POS system, it is important to consider its integration capabilities and check whether it supports the tools that you currently use or plan to implement in the future. I hope my answer clarified your question. If you have further questions or need further assistance, feel free to ask!