credibility – n. the quality of being believed or accepted as true, real or honest

tactical – adj. of, relating to or used for a specific plan that is created to achieve a particular goal in war, politics, etc.

linguist – n. a person who speaks or studies languages

specifically – adv. in a definite and exact way

embed – v. to place or set (something) firmly in something else; to be a part of (often used figuratively)

focus v. to direct your attention or effort at something specific