Definition of scans:
(v) :
(transitive) To examine sequentially, carefully, or critically; to scrutinize; to behold closely.
(v) :
(computing, transitive) To inspect, analyse or go over, often to find something.
(v) :
(transitive) To look about for; to look over quickly.
(v) :
(computing, medicine, transitive) To create an image of something with the use of a scanner.
(v) :
(computing, transitive) To read with an electronic device.
(v) :
(computing, transitive) To perform lexical analysis; to tokenize.