(the process whereby a person concentrates on some features of the environment to the (relative) exclusion of others)
(the work of providing treatment for or attending to someone or something; "no medical care was required"; "the old car needs constant attention")
(a general interest that leads people to want to know more; "She was the center of attention")
(a courteous act indicating affection; "she tried to win his heart with her many attentions")
(the faculty or power of mental concentration; "keeping track of all the details requires your complete attention")
(a motionless erect stance with arms at the sides and feet together; assumed by military personnel during drill or review; "the troops stood at attention")