USUKAustraliaCanadaneutralformal
- About to do something; on the verge of taking an action or experiencing an event.
- At the moment immediately preceding a particular action or change of state.
USUKAustraliaCanadaformalliterary
- With regard to; concerning a particular matter or issue.
- Used to introduce a specific topic, point, or aspect under discussion.
USUKAustraliaCanadaneutral
- Literally located at the tip, end, or extremity of something (e.g., on the point of a pin or sword).