Answer:
The meaning of restrained seems to be "governed by rules, restricted. Constrained by structure"
Phrases from context: "Dramas follow Aristotle's unities, strict rules..."
"...balance and order in their language and in the structure of their poems and plots...
Dictionary definition:: Restrain: check or hold in; keep under control or within bounds. (Oxford)
Restrained: marked by restraint : not excessive or extravagant (Merriam-Webster)
Explanation: The context explains that writers followed the rules and the structure that they learned from the models set up by Aristotle and other classical writers. The audience expected that structure and balance. Some things would have disturbed the audience or readers, so writers were careful to not to offend them.
Is a subject for other time
This statement is false.
According to NIH (National Institutes of Health), it is both strongly suggested AND required that the informed consent process be delivered in a language that is understandable to the subject. If the subject doesn't completely understand this process, it will be void as they have to be familiar with everything.
