Final answer:
The peak of oral medication refers to the highest concentration of a drug in the body after it is taken orally.
Step-by-step explanation:
The question is asking about the peak of oral medication, which refers to the highest concentration of a drug in the body after it is taken orally.
In the context of medication administration, the term 'peak' refers to the time at which the drug reaches its highest concentration in the bloodstream.
For example, if you take a pill, the drug will be absorbed and gradually reach its peak concentration in your bloodstream over a certain period of time.