I'm interested in the 'Adafruit RGB Matrix HAT'. Please navigate to its details page and list all the Raspberry Pi pins it uses, along with their corresponding functions as described on the page. Additionally, explain what 'GPIO' stands for according to the website's general pinout information.
Navigate to 'https://pinout.xyz/boards'. Click on the 'type' filter for 'Display'. Click on the 'manufacturer' filter for 'Adafruit'. Click on the 'Adafruit RGB Matrix HAT' link. List all the Raspberry Pi pins used by the 'Adafruit RGB Matrix HAT' and their functions. Navigate back to the main Raspberry Pi GPIO Pinout page by clicking the '« Return to the Raspberry Pi GPIO Pinout' link. Find the definition or explanation of 'GPIO' on the main pinout page.
The agent successfully navigates to the 'Adafruit RGB Matrix HAT' details page. The agent lists the pins used by the Adafruit RGB Matrix HAT (e.g., GPIO2, GPIO3, GPIO4, GPIO5, GPIO6, GPIO7, GPIO8, GPIO9, GPIO10, GPIO11, GPIO12, GPIO13, GPIO14, GPIO15, GPIO16, GPIO17, GPIO18, GPIO19, GPIO20, GPIO21, GPIO22, GPIO23, GPIO24, GPIO25, GPIO26, GPIO27) and their corresponding functions (e.g., I2C, DPI, SPI, PWM, etc.). The agent successfully navigates back to the main Raspberry Pi GPIO Pinout page. The agent states that 'GPIO' stands for 'General Purpose Input/Output'.