Could any teacher there can tell me how to distinguish the following phrase in meaning and how to use each of them
1. pertaining to=to be connected with a particular subject, event or situation:We are only interested in the parts of the proposals that pertain to local issues
2. relating to=to be connected to, or to be about someone or something:Chapter nine relates to the effects of inflation on consumers
3. in association with,“This is the BBC news, brought to you by Rolex.” The corporation has sparked fresh concerns over creeping commercialisation after signing the watchmaker as an official sponsor" BBC in association wit Rolex=they will work together.
4. in terms of= used to describe which particular area of a subject you are discussing:In terms of money, I was better off in my last job
Thank you so much, I hope this does not bother you too much to answer them.