Cell and Master Fixture Profiles help

Lets get started here, can anyone please explain to me how a cell and master profile works? Just got about 9 led bars not too long ago and i requested a profile for it on the matter that they were not available for download at the time, and Barco got back with me with one profile, but it has 2 fixture schedule items within that. One is a master and the other is a cell. 10 channel leds' work only on 1 channel mode with the cell 10 channel profile and the master doesn't really do anything for me. I can use my lights right now and its no big bother since i found a workaround for the time. Either way though, i got a little curious and being new to the world of DMX consoles and all, i wanted to know. Detailed as possible please. Thank you in advance!
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