1. The measures of potential retrieval: The varying degrees or capacities to which a substance can be separated, withdrawn, or derived from its source material (e.g., the different extractabilities of rare earth metals from the ore). 2. Chemical/Industrial Property: The specific set of conditions or characteristics that determine how easily a component can be pulled out of a mixture or matrix. 3. Data/Abstract Context: The multi-faceted ease with which specific information or value can be isolated from a larger data set or complex system.