concentrate vs situate

To approach or meet in a common center; to consolidate. 

To focus one's thought or attention (on). 

To increase the strength and diminish the bulk of, as of a liquid or an ore; to intensify, by getting rid of useless material; to condense. 

To bring to, or direct toward, a common center; to unite more closely; to gather into one body, mass, or force. 

To place on or into a physical location. 

To place or put into an intangible place or position, such as social, ethical, fictional, etc. Most commonly used adjectivally in past participle and often used figuratively.