Ok, firstly as one of your moderators - please do not shout in large font. That will not win you friends or get you answers any more quickly. Please read the rules of engagement for correct etiquette on this site The Rules of Engagement
Secondly your question goes over the boundary of two spaces. You will get better responses, and are more likely to get responses if you ask them in the forum of the appropriate space, and avoid mixing topics as much as possible.
BRM and BRFplus are discussed in the Business Rules Management space http://scn.sap.com/community/brm
In the Overview section on the main page of the space is a link to an overview document explaining the difference between some of theses technologies http://scn.sap.com/docs/DOC-26748
BPM is discussed in the Business Process Management and Composition space http://scn.sap.com/community/bpm Again on the main page of the space in the Overview area are Getting Started documents that include further links to basic knowledge for newbies.
You should find these helpful.
Thirdly, if you have new questions please start a new discussion. Extended an existing discussion to a new set of questions tends to confuse the answers and reduces the number of responses you are likely to receive.
Hope that helps
Jocelyn