Pharmacology deals with pharmacokinetic and pharmacodynamics Toxicology deals with Toxicokinetic and Toxicodynamics.
Toxicology means the study of poisons.
toxicology is te study of posioning to plants humans and living creatures
If we are talking about marketing and a marketing audit or research. micro means the internal analysis: Functions (The 8P's)Productivity (return on investment in marketing)System (IT, websites,...