noun: (biochemistry) The movement of an enzyme (or other protein) through tissue.
noun: Clipping of human trafficking. [A criminal activity in which people are recruited, harboured, transported, bought, or kidnapped to serve an exploitative purpose, such as sexual slavery, forced labor, or child soldiery.]
noun: Clipping of drug trafficking: the distribution of illegal drugs. [The process of smuggling, distributing and selling illegal drugs.]
noun: Clipping of arms trafficking: the smuggling of illegal arms.