All 9 Uses

focus
in
The Son of Neptune
(Auto-generated)

Percy heard the other kids yelping and backing away, but he stayed focused on his task.
Chpt 2

focused = looking, or concentrating
"Um, thanks," Percy said, but his attention was focused on Nico.
Chpt 8 *

focused = concentrating
She came into focus, looking down at him from the bed.
Chpt 34 *

focus = a state where something has come into view or can be seen clearly
Percy focused on her, hoping to see a familiar face.†
Chpt 2
She should have known better than to focus on the past, but she remembered the day when her old life had been shattered.†
Chpt 5
He focused on Hazel and managed a smile.†
Chpt 8
He tried to focus on the positive: a warship might be on the way to help Camp Jupiter.†
Chpt 25
He tried to focus as Frank and Hazel talked.†
Chpt 37
He moved through the enemy lines, and even though he seemed to be leaving Frank undefended, the enemy was completely focused on Percy.†
Chpt 46

Definitions:

(1) (focus as in: Turn your focus to question #2.)
to direct attention or effort toward a single thing; or the ability to do so without getting distracted
(2) (focus as in: The focus of our study is...)
where attention is concentrated or directed
(3) (focus as in: bring into focus; or out of focus)
a state where something has come into view or can be seen clearly; or an adjustment made to permit a clear view
(4) (focus as with technical usage)
technical usage typically involves some sense of center or concentration such as:
- physics — a point where things come together such as the point where light rays meet
- geometry — a fixed reference point (as of a parabola)
- geology — the point of origin of an earthquake
See a comprehensive dictionary for other less common meanings.
(5) (meaning too rare to warrant focus)