

Technically correct. But it is still a departure burn into another sphere of influence. So you can forgive the quibble. There’s nothing else massive enough in Earth’s orbit to do a free return trajectory around. Or an orbital insertion burn into. And technically lunar orbit is still an earth orbit, but no one would ever use the word that way when in a lunar orbit.
But, yeah, technically ;)







Same way you teach a child. Start with basic nouns and verbs and use them in context. Demonstrate and interact and repeat.
Source: have a 25 year out of date “teaching English as a second language” certificate. ;)