in the course of something
during a particular process or period of time

[TahlilGaran] Dictionary of Contemporary English ▲

during at one point in a period of time, or through the whole of a period of time:
Did you hear the storm during the night?
During the summer we spend a lot more time out of doors.
all through (also throughout) /ɔːl ˈθruː, θruːˈaʊt/ during all of a period of time:
The cafe’s closed all through the winter and opens again in April.
Throughout her career she has worked hard and achieved the highest standards.
over at one point or at various different points during a period of time:
I’m going to redecorate my bedroom over the holidays.
She’s been a great help to me over the past year.
in the course of something formal during a particular process or period of time:
In the course of the study we consulted with leading experts in global warming.
Many factors control the rise and fall of a species in the course of evolution.
There was huge social change in the course of the 1960s.
within during a period of time, or before the end of a period – used when you want to emphasize that it is a short or limited period:
There have been five serious accidents within the last few days.
Payment must be made within 30 days.
If we are inviting you for an interview, you will receive a letter within 14 days.
finished if something is finished, you have done all of it:
She showed him the finished drawing.
I was very pleased with the finished result.
done [not before noun] finished - used especially in everyday English instead of finished:
I can’t come out till my essay’s done.
They promised the work would be done by April.
complete [not before noun] completely finished – used especially to emphasize that there is no more work to do:
Six months later the job was complete.
The first stage of the project is now complete.
be through informal to have finished doing something or using something:
I probably won’t be through till about 6 o'clock.
Are you through with those scissors?

[TahlilGaran] English Thesaurus ▲

in the course of
during
In the course of his life he visited over 45 countries.

[TahlilGaran] English Idioms Dictionary ▲