Change of course and Change course

Change of course noun - A change in the direction that you are moving.

Change course and change of course are semantically related In some cases you can replace phrase "Change course" with "Change of course", this phrases are similar.

Change course verb - Shift from one side of the ship to the other.

Change of course and change course are semantically related in change of mind topic. You can use "Change of course" instead a noun phrase "Change course".