What is Patching? Basics of Professional Lighting Consoles

I'M brand new to lighting. I bought an ETC Colorsource 20 Console, four ETC Colorspots, four ETC Pars. I clicked on the link, but there wasn't anything linked.

thank you

No offense, but i won't call those solutions professional. For me professional Software is the GrandMa2, MagicQ or the Hog Software

could some one tell me if it possible to to connect a lap top to a Obey70 so to run like showtime programs in conjunction with controller ... via usb out of lap top to midi in put on the obey