Platform
The platform is the system a launch starts from, almost always a learning management system. It holds the courses and the enrolments, and it decides which tools a course may launch.
In LTI® 1.1 this role was called a Tool Consumer. The 1.3 rename is a frequent source of confusion when reading older material.
If you are building an LMS and need it to launch third-party tools, you need the platform side, which is what LTIAAS Connect provides.
