semantics se·man·tics (sĭ-mān'tĭks)
The study or science of meaning in language forms.
The study of the relationships between various signs and symbols and what they represent.
The scientific or philosophical study of the relations of words and their meanings.
Note: Semantics is commonly used to refer to a trivial point or distinction that revolves around mere words rather than significant issues: “To argue whether the medication killed the patient or contributed to her death is to argue over semantics.”