Noun
1. the process whereby a person concentrates on some features of the environment to the (relative) exclusion of others
2. the work of caring for or attending to someone or something;
"no medical care was required""the old car needed constant attention"3. a general interest that leads people to want to know more;
"She was the center of attention"4. a courteous act indicating affection;
"she tried to win his heart with her many attentions"5. the faculty or power of mental concentration;
"keeping track of all the details requires your complete attention"6. 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"