Doesn't the ocean floor change often due to currents? Sediment consistently is moved from point A to point B similar to sand dunes? Even if this is related to

Doesn't the ocean floor change often due to currents? Sediment consistently is moved from point A to point B similar to sand dunes? Even if this is related to just 'bedrock' or whatever more solid mass is down there, doesn't that get impacted by the faults a lot? Or is that around just the fault lines?