What does ‘zero in on’ mean?

What does ‘zero in on’ mean?

It means focus on.

*   I can say the camera zeroed in on Sachin's shoes.

*   He zeroed in on the dead puppy.

*   I picked up the binoculars and zeroed in on the parrots that were sitting on the tree.

It is also possible to zero in on a problem or a subject. You give your complete attention to the problem or subject. For example,

*   The opposition has zeroed in on the problem of unemployment.

*   The newspapers haven't zeroed in on the local problems.

*   To keep the meeting short, the two lawyers zeroed in on three clauses in the contract.