The process in which a mark, usually a symbol or ornamental pattern, is burned into the skin of a living person or animal.
The promotion of a commercial brand of product in order to give it greater public awareness.
The introduction of a traceable chemical group (e.g., containing an isotope or a fluorescent dye) into a protein or other biomolecule of interest so it can be tracked or quantified during experimental analysis.
A set of labels applied to the various objects in a system.