Definition: It's a programming language used for controlling various devices, including lighting systems in churches. Detailed definition: 6711A20015N.lircd.conf: 6711 is a Linux command-line program that can be installed on any Linux server or computer to control and monitor various lighting and audio equipment. This is often used for controlling church services, events, and the visual display of religious art and images. lirc stands for "Lighting Control System". 3006 represents a specific kind of light source and N stands for the number of LEDs that will be lit by this light source. 5N corresponds to the number of channels in the lighting system. A20015 is an integer representing the channel number and LIRC stands for "Lighting Control System".