what does Artificer mean?

An artificer is a skilled craftsperson, especially applicable to a craftsperson in a craft that requires a high level of precision. Your artificer could be a machinist or a watchmaker or a locksmith, or an artist, or perhaps a mason (but not a hod carrier). Artificer is also used with respect to inventors, designers, architects, etc. crafters of ideas. Leonardo da Vinci was an artificer of both stripes. Annie Sullivan