NO NO NO!
A 10Mhz Master Clock acts as a metronome to any internal clock wherever it is. It doesn't take over just provides perfect as possible timing to every component that accepts a 10 Mhz 75 or 50 Ohm input.
It is the Conductor that provides the timing only. There is no mystery or Voodoo involved it's science.
Word Clocks work differently Master Clocks are superior that's why they cost more than Word Clocks.