Favored Locations: In magic a favored location is one which a character for some reason or another is able to gather more then the normal amount of energy based upon the ambient magical energy.
Manuever: In combat a paticular move, a single action is known as a manuever.
Posture: In combat the posture is the general nature of the characters approach, a character may be agressive or defensive, they may be relentelessly offensive etc... each posture has different weaknesses and strengths. A skilled opponent will usually recognize a characters posture.
Source: In magic a source is a pool of energy of an indeterminate nature that a paticular school learns to drain for magical energy. There are also some items which can provide power or store energy which are reffered to as sources.