Common terms:

Buckets - term used to described a grouping of data, think of a page, i.e. Customer

Slots - terms used to the describe the blanks or lists found in a bucket or page that is used for providing information. Think of these as columns of information, i.e. Name, address, type

Schemas - term used to describe additional information that sits on a bucket or record. Think of it as an additional template of information that enhances a bucket of information.