Type-A category used to define personality, usually based on a theory of some kind.
The question raised by the photo was whether he was Judas-Iscariot type-a betrayer.
She started to type a response when Jenn's voice interrupted her.
He's one of these type A personality guys who's always wound up tighter than a spring—wears whatever face suits the crowd.
The chief drawback to type A is that the errors of the screw are liable to change by wear, otherwise the apparatus, as made and used at Potsdam, is, on the whole, a convenient and accurate one.