The state of having invested heavily in just one area. / The state of having devoted all of one’s resources to one thing.

To render something permanent, certain, or firm.

(idiomatic) Permanent; certain; firm.

(idiomatic) In the same situation or predicament; having the same problems.

Alternative form of at a canter

To focus one's aim; to zoom in and center (on something). / To successfully narrow down a search (for). / To concentrate or focus one's attention (on a task). / (idiomatic) To converge (on).

Third-person singular simple present indicative form of tune in

present participle of tune in

(Britain, Ireland) A desktop organizer; inbox, in-basket. / (by extension) The amount of new work yet to be done.

successively, one after the other. / Placed in a straight line.