Material Master (Smart Materials) - This means the Smart Materials Idents with their various accompanying attributes.
Material Master Transfer - The transfer of Smart Materials Idents to SAP. SAP saves the Idents and all accompanying Attributes and Features as Materials in the SAP Material Master.
Material Master Features (Smart Materials) - This means all the Attributes and information that exist in Smart Materials for this Ident. This also includes the SAP-specific Features "mapped to it" in the interface.
Material Master Record - If you are talking about a Material Master Record in connection with the Smart Materials/SAP interface, this means the Ident and all its Attributes.
Material Master Data - See Material Master Record.
Attribute - This means Smart Materials Commodity Attributes and/or Object Parameter Details (Geometry).
Features - In connection with the Smart Materials/SAP interface, Features covers both Attributes (see above) and the Features "also mapped" in the SAP interface.
Material Class - Within Smart Materials, SAP Material Classes are reproduced. This is done by grouping Idents, using Smart Materials Parts.