Lexis and Semantics
The multi-word item “compared to” is a relative assessment of the performance or association of two entities that may be numerical or non-numerical. The most common form of usage is in the customary sense to describe and evaluation or judgment in its simple form with the root in the word “compare”.
“Digital fiction books” is a multi-word compound phrase or combination of words that is generally used in the contexts of technology and literature. It refers to conventionally printed material of an imaginative background and that is available in a soft form through the web or a digital device.
“Physical books” is also a multi-word item that lexically functions as a complementary phrase to digital fiction referring to something that is not in soft form. It is an adjective usage of books to describe their ability to be carried around and is something that has material value (Allan 1986).
The word “eBook” is an abbreviated form referring to books or other print that is accessible through electronics devices and hence is mainly used as a noun. The reference to this word is generally in the formal and literal context with no inflections or extensions.