Check out example codes for "Use plug-ins and processing power low, besides printing audio of the track, preserve processing power on tracks with plugins do not need to be automated: ... select track header components > Show freeze and freeze track which not need automate plugins". It will help you in understanding the concepts better.

Code Example 1

Use plug-ins and processing power low, besides printing audio of the track, preserve processing power on tracks with plugins do not need to be automated: 
... select track header components > Show freeze and freeze track which not need automate plugins

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