The text discusses the importance of clear language in describing authorization solutions, particularly in modern applications where rapid advancements are being made. It highlights the confusion caused by borrowing terminology from identity and access management (IAM) instead of developing a specific vocabulary for application development. The text introduces key concepts such as permissions, authorization systems, and authorization services, providing definitions and examples to clarify their meanings. By establishing a shared language, it aims to improve communication within the community and facilitate more productive discussions about tradeoffs in authorization services and permissions systems.