The SUV also offers two versions of its Quadra-Trac all-wheel drive system, ranging from the pavement-only Quadra-Trac I designed for inclement weather and occasional off-road use to the go-anywhere Quadra-Trac II, which includes low-range gearing for the muddiest, most challenging off-road trails.
SAP NetWeaver Process Integration. SAP NetWeaver Process Integration (SAP PI) is SAP's enterprise application integration (EAI) software, a component of the NetWeaver product group used to facilitate the exchange of information among a company's internal software and systems and those of external parties.
A SAP Note is (usually) a bug fix on SAP standard code. If you have a problem in let's say, in transaction VA01, there might be a SAP Note which fixes it. Each SAP Note is represented by a number and at the time this post is written there are more than 1,900,000 SAP Notes. wrote this article for this post: http://scn.sap.com/docs/DOC-48185. Maintenance screen is generated screen and changing source code or screen elements of SM30 screen can be harmfull. There is Maintenance View (TAW course explain view type), you can change screen elements attribute with this view.