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Description
Objects can contain other objects, called subobjects. A subobject can be a member subobject (9.2), a base class subobject (Clause 10), or an array element.
The terms member subobject and base class subobject should not be in italics as they are not definitions at this point.
By the same token, the term "member subobject" should be in italics in [class.mem]/4
, where it appears (to me at least) to contain the definition of the term.
... [ Note: A non-static data member of non-reference type is a member subobject of a class object (1.8).—end note ]