maestría

n. skilfulness, ability, skill

n. mastery, skill, expertise, ability

n. mastery, skill; artistry

n. command, direction

= artistry, skill, command.
Ex: Very few engravers commanded the necessary artistry.
Ex: However, successful human free language indexing is very dependent upon the skills of the individual indexer.
Ex: Businesses are using all of the new communicating technological developments to increase their command over the information they need.