All notes on pharmacology can go in here.

Figure showing the interplay between absorption, distribution, metabolism and excretion (ADME). Taken from reference 3.
Pharmacokinetics Basics- Absorption, Distribution, Metabolism and Excretion

Pharmacogenetics helps in identifying parts of the population based on how they react to a particular drug. In this figure it shows that pharmacogenetics helps in segregating the population according to the rate of metobolism of a particular drug.