They cannot be categorized by style.
Or athletes could be categorized by skill level.
Aircraft can also be categorized by their configurations.
Theoretically, athletes could be categorized by size, as they are in wrestling and boxing.
So you might wonder whether serial killers can really be categorized by their level of organization.
In other words, summer reading does not necessarily take place in the summer, cannot be categorized by type of book, and may not even exist in traditional forms.
Until he does, it could probably be categorized, by his demanding standards, as a medium lie, rather than a big one.
Some filmmakers can be categorized by genre: Alfred Hitchcock by the thriller, Preston Sturges by the madcap comedy.
Antibiotics can be categorized by their spectrum of activity namely, whether they are narrow-, brord-, or extended-spectrum agents.
In other words, although it is one of life's great pleasures, summer reading does not necessarily take place in the summer, cannot be categorized by type of book, and may not even exist in traditional forms.
As tastes evolve, all three researchers hope that one day, toys will stop being broken up by gender and will instead be categorized by type, like puzzle toys, dolls or children's bikes.
