Thanks, I have been wondering for a while
Heres a great tutorial on what trim does.
Check out this tutorial, next time search before posting 😀…
free the pilot from having to exert a constant pressure on the controls. This is often used to maintain straight and level flight, however trimming can also be used at any phase of flight - for example to maintain a constant rate of climb or descent.
Also, welcome to the community ☺️
Welcome to the community!
Great resources on what the trim does can be found in the topics above.
Enjoy your stay. :)