that is to say
1
used to introduce an explanation or clarification of a point just made
- The project must be completed by the end of the month, that is to say, within the next two weeks.
- He enjoys outdoor activities, such as hiking and camping—that is to say, he prefers to spend time in nature.
- The event will take place next Friday, that is to say, on the 20th of May.
- The software update will enhance security features, that is to say, it will improve protection against cyber threats.
- The company aims to expand its market share by targeting younger demographics—that is to say, individuals aged between 18 and 35.