about
/əˈbaʊt/
preposition
1.
on the subject of; concerning.
"I was thinking about you"
synonyms:	regarding, concerning, with reference to, referring to, with regard to, with respect to, respecting, relating to, on, touching on, dealing with, relevant to, with relevance to, connected with, in connection with, on the subject of, in the matter of, apropos, re; anent
"a book about ancient Greece"
2.
BRITISH
used to indicate movement within a particular area.
"she looked about the room"
synonyms:	around, round, throughout, over, through, all over, in all parts of, on every side of, encircling, surrounding; 
adverb
1.
BRITISH
used to indicate movement within an area.
"men were floundering about"
synonyms:	around, here and there, to and fro, back and forth, from place to place, hither and thither, in every direction, in all directions, abroad
"there were babies crawling about in the grass"
2.
BRITISH
used to express location in a particular place.
"there was a lot of flu about"
synonyms:	near, nearby, around, about the place, hereabouts, not far off/away, close by, in the vicinity, in the neighbourhood, at hand, within reach, on the doorstep, (just) around the corner
"although I hadn't seen him for two years, I knew he was about somewhere"